HPLC - 400 Anuncios

Viernes 17 mayo 2024

, LYCOPENE is a member of the carotenoid family of chemical substances. Lycopene, similar to other carotenoids, is a natural fat-soluble pigment (red, in the case of lycopene) found in certain plants and microorganisms, where it serves as an accessory light-gathering pigment and...

Jueves 16 mayo 2024

Cantidad : 500kg/mont - Precio : Negotiation

Product name: lotus leaf extract Latin name: Folium nelumbinis Specification: 0.2% 0.5% nuciferine by HPLC 20% flavonoids by HPLC Ubicación : Room 2901,1st Building of Vaya Garden,35 Meilin Street of East Laodong Road,Changsha 410019,Hunan,China, 410019 Changsha, Persona a contactar ...

Jueves 16 mayo 2024

Cantidad : 500kg/mont - Precio : Negotiation

Product Name: Dong Quai Extract Latin Name: Angelica sinensis Part Used: Roots Tests Color Texture Odor Flavor Identification Loss on drying Standard sieve Extraction solvents Specification Light yellow Amorphous powder Characteristic Characteristic Positive <...

Jueves 16 mayo 2024

Cantidad : 500kg/mont - Precio : Negotiation

Schisandra extracto Proteger la salud del hígado Schisandra extracto se extrae de Schisandra Chinensis Baill. por etanol y agua. Parte utilizada: Fruto Beneficios: 1. Proteja su hígado; 2. Anti-envejecimiento; 3. Ayuda a mejorar la pérdida de apetito, fatiga, insomnio y otros síntomas...

Jueves 16 mayo 2024

Cantidad : 500kg/mont - Precio : Negotiation

Extracto de té dulce Edulcorante natural, bajo en calorías Extracto de té dulce se extrae de Rubus SuabissimusS. Lee. por etanol y agua. Parte utilizada: Hoja Beneficios: 1. edulcorante natural, bajo en calorías y alto dulzor (300 veces más dulce que el azúcar de caña); 2. Balance...

Jueves 16 mayo 2024

Cantidad : 500kg/mont - Precio : Negotiation

Vid de uva Extracto Anti-oxidante; equilibrio de azúcar en la sangre Vid de uva extracto se extrae de Vitisvinifera L. por el etanol y el agua. Parte utilizada: Vid Beneficio: 1. Anti-oxidante; Anti-cáncer 2. Anti-inflamatorio y; 3. Balance de azúcar en la sangre, el tratamiento...

Jueves 16 mayo 2024

Cantidad : 500kg/mont

Cocoa Seed Extract Powerful natural antioxidant; weight management Cocoa Seed Extract is extracted from Theobroma Cocao by ethanol and water. Part used: Seed Benefits: 1. Anti-oxidant,anti-inflammatory,reduce the risk of heart disease 2. Prevent fat accumulation and absorption; 3...

Jueves 16 mayo 2024

Cantidad : 500kg/mont

Cocoa Seed Extract Powerful natural antioxidant; weight management Cocoa Seed Extract is extracted from Theobroma Cocao by ethanol and water. Part used: Seed Benefits: 1. Anti-oxidant,anti-inflammatory,reduce the risk of heart disease 2. Prevent fat accumulation and absorption; 3...

Jueves 16 mayo 2024

Echinacea Purpurea Extract Boost immune system, prevent colds Echinacea Purpurea Extract is extracted from Echinacea Purpurea by ethanol and water. Part used: Herb Benefits: 1. Boost immune system; 2. Reduce the risk of catching colds and flu； 3. Balance blood sugar and blood fat...

Jueves 16 mayo 2024

Magnolia Bark Extract Reduce stress and stress-related symptoms and inhibit cortisol Magnolia Bark Extract is extracted from Magnolia Officinalis by ethanol and water. Part used: Bark Benefits: l Anti-bacteria, treat halitosis and prevent teeth decay; l Anti-cancer , anti-oxidant...

Jueves 16 mayo 2024

Cantidad : 500kg/mont

Reishi Mushroom Extract Boost the immune system; reduce blood pressure Reishi Mushroom Extract is extracted from Ganoderma Lucidum Karst by ethanol and water. Part used: Fruiting body Benefits: l Boost the immune system; l Treat sleeping problems; l Improve heart health, reduce cholesterol...

Viernes 10 mayo 2024

Cantidad : 10pcs/pk - Precio : USD5.99/PK

- Introduction: MS Sample vials manufactured from borosilicate glass and meets ASTM Type I Class A and USP Type I standards, which improves your laboratory productivity by reducing costs and saving time. These products considerably reduce the risk of analytical test results compromised...

Jueves 09 mayo 2024

Cantidad : 100PCS/PK - Precio : USD20/PK

- Introduction: Superpure offers unsurpassed quality, consistency and reliablility of result to increase sample throughput while reducing thumb pressure. Under designed state-of-art injection technology, syringe filter is produced for 17mm and 30mm. HPLC certification is owned for each batch...

Miércoles 08 mayo 2024

Cantidad : 1kg - Precio : 20usd/kg

English Name Panax Ginseng Extract Latin Name Panax Ginseng Extract C.A.mey Specification 1%-20% ginsenoside Test Method HPLC Technology Standard EC Standard Particle Size Fine Powder,80-200 mesh Color Brown Loss on Drying <5.0%</p> Ash <1...

Miércoles 08 mayo 2024

Cantidad : 1kg - Precio : 20usd/kg

English Name Panax Ginseng Extract Latin Name Panax Ginseng Extract C.A.mey Specification 1%-20% Ginsenosides Test Method HPLC Technology Standard EC Standard Particle Size Fine Powder,80-200 mesh Color Brown Loss on Drying <5.0%</p> Ash <1...

Miércoles 08 mayo 2024

Cantidad : 1kg - Precio : 20usd/kg

English Name Panax Ginseng Extract Latin Name Panax Quinquefolius L. Specification 1%-20% Test Method HPLC Technology Standard EC Standard Particle Size Fine Powder,80-200 mesh Color Brown Loss on Drying <5.0%</p> Ash <1.5%</p...

Miércoles 08 mayo 2024

Cantidad : 1kg - Precio : 20usd/kg

English Name Korean Red Ginseng Extract Latin Name Panax Ginseng Extract C.A.mey Specification 1%-20% Test Method HPLC Technology Standard EC Standard Particle Size Fine Powder,80-200 mesh Color Brown Loss on Drying <5.0%</p> Ash <1...

Miércoles 08 mayo 2024

Cantidad : 1kg - Precio : 20usd/kg

English Name Korean Red Ginseng Extract Latin Name Panax Ginseng Extract C.A.mey Specification 1%-20% Test Method HPLC Technology Standard EC Standard Particle Size Fine Powder,80-200 mesh Color Brown Loss on Drying <5.0%</p> Ash <1...

Miércoles 08 mayo 2024

Cantidad : 1kg - Precio : 20usd/kg

English Name Korean Red Ginseng Extract Latin Name Panax Ginseng Extract C.A.mey Specification 1%-20% Test Method HPLC Technology Standard EC Standard Particle Size Fine Powder,80-200 mesh Color Brown Loss on Drying <5.0%</p> Ash <1...

Miércoles 08 mayo 2024

Cantidad : 1kg - Precio : 20usd/kg

English Name Panax Ginseng Extract Latin Name Panax Ginseng Extract C.A.mey Specification 1%-20% Test Method HPLC Technology Standard EC Standard Particle Size Fine Powder,80-200 mesh Color Brown Loss on Drying <5.0%</p> Ash <1.5%...

Miércoles 08 mayo 2024

Cantidad : 1kg - Precio : $20/kg

English Name Korean Red Ginseng Extract Latin Name Panax Ginseng Extract C.A.mey Specification 1%-20% Test Method HPLC Technology Standard EC Standard Particle Size Fine Powder,80-200 mesh Color Brown Loss on Drying <5.0%</p> Ash <1...

Miércoles 08 mayo 2024

Cantidad : 1KG-25000K - Precio : USD16-USD7200.0

Dydrogesterone CAS 152-62-5 Wholesale & Bulk Dydrogesterone is a synthetic progestogen, a type of medication that mimics the effects of the naturally occurring hormone progesterone. It's commonly used in hormone replacement therapy and to treat conditions related to hormonal imbalances...

Miércoles 08 mayo 2024

Resveratrol Also know as: trans-resveratrol;Resvida Plant original: From the dry root of Polygonum cuspidatum Sieb. et Zucc. Chemical Properties Chemical Formula: C14H12O3 Cas No.: 501-36-0 Formula Weight: 228.24 Chemical Family: polyphenols Appearance: off-white crystal...

Miércoles 08 mayo 2024

Icariin Plant original: From the Dry leaves of Epimedium sagittatum Maxim Chemical Properties Chemical Formula: C33H40O15 Formula Weight: 676.6 g/mol Cas No.: 489-32-7 Appearance: Yellow crystal powder Chemical Family: Flavonoids HPLC Detection： C18（ 4.6 ×250mm） Mobilephase...

Miércoles 08 mayo 2024

Cyanidin-3-O-glucoside Also know as: Chrysontemin, Glucocyanidin, Asterin, Cyanidin 3-glucoside, Cyanidol 3-glucoside Plant original: Glycinemax(L.)merr Chemical Properties Chemical Formula: C21H21CIO11 Cas No.: 7084-24-4 Formula Weight: 484.83 Chemical Family: Anthocyanins...

Miércoles 08 mayo 2024

Cantidad : 1G - Precio : 300,00 €

Cephalotaxine-FOB USD: 330/G Grade Reference Standards Alias: Cephalotaxlen CAS NO. 24316-19-6 Purity HPLC>98% Min. Order 1g Payment T/T Packing bottle or bag Delivery by air China Delivery Date 1-3days Date 2015/09/01 Validity 7 Days Seiral No. HC08102 Product Info...

Miércoles 08 mayo 2024

Saikosaponin D Also know as: Saikosaponin D, Saikosaponins Plant original: From the root of Bupleurum chinense DC Chemical Properties Chemical Formula: C42H68O13 Cas No.: 20874-52-6 Formula Weight: 780.98 Chemical Family: Saponins Appearance: white powder HPLC Detection C18（4...

Miércoles 08 mayo 2024

Cantidad : 500kg/mont - Precio : FOB

Extracto Knotweed gigante Potente antioxidante natural e inhibidor del cáncer, anti-inflamatorio Extracto de Knotweed gigante se extrae de Polygonum cuspidatum Sieb por etanol y agua. Parte utilizada: Rizoma Beneficio: 1. antioxidante natural para eliminar los radicales libres y...

Martes 07 mayo 2024

Cephalotaxlen As know as: (-)-Cephalotaxine .. Plant original: From cephalotaxus fortunei Chemical Properties Chemical Formula : C18H21NO4 Formula Weight：315.36 Cas No.: 24316-19-6 Appearance: white crystal Chemical Family: Alkaloids HPLC Detection: C18（4.6 ×200mm, 5μm） Mobilephase...

Martes 07 mayo 2024

Cantidad : 500kg/mont - Precio : FOB

Extracto de Ginseng (Free-Plaguicidas) Mejorar la memoria y mejorar el sistema inmunológico ㄳ ㅋ anti-fatiga y anti-envejecimiento Extracto de Ginseng se extrae de Panax Ginseng Camey por etanol y agua. Parte utilizada: la raíz, hoja y tallo Beneficio: 1. Mejorar la memoria de...

Lunes 08 abril 2024

Octaphenylcyclotetrasiloxane SiSiB® PC9180 is a white solid. Technical Data CAS No. 546 56 5 EINECS No. 208-904-9 Formula C48H40O4Si4 Molecular Weight 793.17 Boiling Point 332°C [1mmHg] Flash Point 200°C Melting Point 203°C Color and Appearance White Solid Min...

Jueves 28 marzo 2024

Cantidad : 1-1000 - Precio : 10-10 million

Hanbon column chromatography lab are suitable for all commercially available HPLC systems, mainly the Hedera and Nucifera series. They are made of ultra-pure, fully porous spherical silica gel with C18, C8, C4, PhP and NH2 functional groups bonded. A wide range of stationary phases...

Jueves 28 marzo 2024

Cantidad : 1-1000 - Precio : 10-10 million

Intepure is a flexible and intuitive chromatography system for the rapid purification of milligram to gram scale chemical synthesis, natural products, peptides, fermentation drugs and other target products. The system can be fitted with pre-loaded columns of φ10-30mm and dynamic axial...

Jueves 28 marzo 2024

Cantidad : 1-1000 - Precio : 10-10 million

CS-Prep® high pressure liquid chromatography system consists of an infusion section, an injection section, a detection section, a distillate collection section, a control and data processing section. It is the first diaphragm pump explosion-proof ultra high performance liquid chromatography...

Viernes 22 marzo 2024

2,2'-Bis(2-chlorophenyl)-4,4',5,5'-tetra phenyl-1,2'-biimidazole PowerCure™ BCIM is a hexaarylbiimidazole (HABI), a visible light thiol-ene photoinitiator, such as in the polymerization of 1,6-hexanediol diacrylate by hexaarylbisimidazoles and heterocyclic mercapto compounds. Technical...

Jueves 22 febrero 2024

The avtive ingredient of organic ginseng extract is Ginsenosides, and we have various of specifications. Please contact us for more information.Specification of Pekhill Organic Panax Ginseng Extract Specifications Description Organoleptic Fine yellowish powder with characteristic...

Miércoles 21 febrero 2024

Precio : ＞0.8USD

Advantages of Capillary Tube The ss capillary tube has high precision and can be used in various measuring instruments. Based on its thick-walled, small-diameter structure (usually 1/8" or smaller diameter), such stainless steel capillary tube will be used in various key applications...

Sábado 27 enero 2024

Cantidad : Not less t - Precio : USD 74.00/kg FOB Sha

Nombre químico: Sal disódica del ácido 2,2′-bis-(1,4-fenileno)1H-bencimidazol-4 ,6-disulfónico Nombre comercial: Tetrasulfonato de fenildibencimidazol disódico Sinónimos: Bisdisulizol disódico; Ácido 1H-bencimidazol-4,6-disulfónico, 2,2′-(1,4-fenilen)bis-, sal disódica; Neo Heliopan AP...

Jueves 04 enero 2024

BCAA powder for sale (Branched-chain amino acids) can promote muscle synthesis and prevent muscle loss. Branched-chain amino acids are not just a type of amino acid. They are a collective name for three common amino acids in proteins: leucine, valine, and isoleucine. Commonly found...

Sábado 21 octubre 2023

Cantidad : 10mg-10t - Precio : 50-15000

N-Cyclohexyl-3-aminopropanesulfonic acid is a useful research chemical. CAPS buffer is a buffer solution that can be used as a biological buffer, used in biochemical diagnostic kits, DNA/RNA extraction kits and PCR diagnostic kits, as well as in enzymatic chemistry and HPLC separation...

Sábado 21 octubre 2023

Cantidad : 10mg-10t - Precio : 50-15000

Luminol, also called 3 aminophthalic hydrazide and its derivatives are redox-type chemiluminescence reagents, which can be oxidized by various oxidants under alkaline conditions, such as H2O2, K2S2O8, etc., and a chemiluminescence reaction will occur to emit blue light. Because...

Martes 08 agosto 2023

Milk Thistle is a flowering herb native to Mediterranean countries. The main component in Milk Thistle is Silymarin, which is an antioxidant compound. People used it to treat diseases related to the liver and gallbladder traditionally. Basic Information of ACE Biotechnology Milk...

Sábado 05 agosto 2023

Cantidad : ≥25.00kg - Precio : USD 120.00/kg FOB/FC

Product Name: BIS-ETHYLHEXYLOXYPHENOL METHOXYPHENYL TRIAZINE Alias: Bemotrizinol; Tinosorb S Aqua; BIS-ETHYLHEXYLOXYPHENOL METHOXYPHENYL TRIAZINE; 6,6′-(6-(4-Methoxyphenyl)-1,3,5-triazine) 2,4-diyl)bis(3-(2-ethylhexyloxy)phenol); 2,2′-[6-(4-Methoxyphenyl)- 1,3,5-triazine-2,4-diyl]...

Sábado 29 julio 2023

Cantidad : ≥1.00kg - Precio : USD 2,300.00/kg FCA

Product Name: Salcaprozate Sodium Aliases: SNAC; Salcaprozate Sodium; Salcaprozate sodium; Salcaprozate Sodium (SNAC); sodium 8-(2-hydroxybenzamido)octanoate; sodium,8-[(2-hydroxybenzoyl)amino]octano ate; SODIUM 8-(2-HYDROXYBENZAMIDO)OCTANOATE (SNAC); SNAC, sodium 8-[(2-hydroxybenzoyl)amino...

Martes 25 julio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Martes 18 julio 2023

Cantidad : ≥100 Kilog - Precio : USD 65.50/Kg FOB Sha

Product Name: Diethylhexyl Butamido Triazone Alias: Ultraviolet Absorbent HEB; Ultraviolet Absorber HEB; HEB CAS No.: 154702-15-5 EINECS No.: 421-450-8 Molecular Formula: C44H59N7O5 Molecular Weight: 765.98 Specifications of our Diethylhexyl Butamido Triazone(HEB): Test Items Specifications...

Martes 18 julio 2023

Cantidad : ≥100 Kilog - Precio : USD 75.50/Kg FOB Sha

Nombre INCI: Tetrasulfonato de fenildibencimidazol disódico Alias: DPDT; BISIMIDAZILATO; DIBENZIMIDAZOL; FENILO DISÓDICO; TTRASULFONATO Nº CAS: 180898-37-7 Nº EINECS: 429-750-0 Fórmula molecular: C20H14N4Na2O12S4 Peso Molecular: 676.5843 Especificaciones del tetrasulfonato de fenildibencimidazol...

Martes 18 julio 2023

Cantidad : ≥1000 Kilo - Precio : USD 6.25/Kg FOB Shan

Product Name: Carbomer 980 CAS No.: 9003-01-4; 9007-20-9 Molecular Formula: (C3H4O2)n Concentration(carboxylic acid): 56.0% ~ 68.0% Brief Introduction: Carbomer is a high molecular polymer cross-linked with acrylic acid and allyl sucrose or allyl pentaerythritol, also known as carbopol...

Lunes 17 julio 2023

Cantidad : ≥100 Kilog - Precio : USD 50.50/Kg FOB Sha

INCI Name: Diethylaminohydroxybenzoyl hexyl benzoate Alias: DHHB; UVA PLUS; UV A PLUS; Uvinul A plus; uv absorber A PLUS CAS No.: 302776-68-7 EINECS No.: 443-860-6 Molecular Formula: C24H31NO4 Molecular Weight: 397.51 Specifications of our Diethylaminohydroxybenzoyl Hexyl Benzoate(DHHB)...

Lunes 17 julio 2023

Cantidad : ≥100 Kilog - Precio : USD 31.60/Kg FOB Sha

Product Name: Ethylhexyl Triazone Alias: Uvinul T 150; Uvinul T150; Octyl triazone; UVT-150; EHT CAS No.: 88122-99-0 EINECS No.: 402-070-1 Molecular Weight: 823.07 Molecular Formula: C48H66N6O6 HS Code: 2933699099 Specifications of Ethylhexyl Triazone: Test Items Specifications...

Lunes 17 julio 2023

Cantidad : 500kg ~ 10 - Precio : USD 21.50/Kg FOB Sha

Product Name: Benzophenone-3 Alias: UV-9; BP-3; Oxybenzone; cyasorbuv9; Escalol 567; Eusolex 4360; Cyasorb uv 9; UV absorber UV-9; 2-Benzoyl-5-methoxyphenol; Ultraviolet absorber UV-9; Ultraviolet absorbent UV-9; Cyasorb uv 9 light absorber; 4-Methoxy-2-hydroxybenzophenone; 2-Hydroxy...

Miércoles 12 julio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Miércoles 12 julio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Miércoles 12 julio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Martes 11 julio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Sábado 08 julio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Sábado 08 julio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Viernes 07 julio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Jueves 06 julio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Miércoles 05 julio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Miércoles 05 julio 2023

Features of Organic Compound Comprehensive Tester RoHS 2.0 Tester LC-2800G Plus It is equipped with JHT test V chromatography software to realize the whole process computer control of the instrument, reduce the manual sampling error and improve the accuracy. The infusion pump, column...

Martes 04 julio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Sábado 01 julio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Viernes 30 junio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Jueves 29 junio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Miércoles 28 junio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Miércoles 28 junio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Miércoles 28 junio 2023

Cantidad : 600pieces/ - Precio : 80USD~500USD

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Miércoles 28 junio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Miércoles 28 junio 2023

Cantidad : 500000 Pie - Precio : $0.2 - $1500

The switching valve is a type of multiposition valve without a public port but with dispensing ports around, a sample loop is required for such kind of valve to create a metering specific volume of fluids for a lab test, the applications are very flexible as you can name any port...

Miércoles 28 junio 2023

Cantidad : 30pcs

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Martes 27 junio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Martes 27 junio 2023

Cantidad : 100000PCS - Precio : USD0.1~3.00

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Martes 27 junio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Martes 27 junio 2023

Cantidad : 10mg-10t - Precio : 50-15000

- Cyclohexyl-3-aminopropanesulfonic acid is a useful research chemical. CAPS buffer is a buffer solution that can be used as a biological buffer, used in biochemical diagnostic kits, DNA/RNA extraction kits and PCR diagnostic kits, as well as in enzymatic chemistry and HPLC separation...

Lunes 26 junio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Lunes 26 junio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Viernes 16 junio 2023

Cantidad : 1-5000 set - Precio : $1,000~$50,000

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Viernes 16 junio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Jueves 15 junio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Jueves 15 junio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Miércoles 14 junio 2023

Precio : 0.01-1000

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Jueves 08 junio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Jueves 08 junio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Jueves 08 junio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Jueves 08 junio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Miércoles 07 junio 2023

Precio : 1-12 USD/km²

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Miércoles 07 junio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Miércoles 07 junio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Miércoles 07 junio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Martes 06 junio 2023

Cantidad : 4000 units - Precio : 650USD-3500USD

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Martes 06 junio 2023

Cantidad : 1-10,000pc - Precio : 0.03-30USD/pcs

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Martes 06 junio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Martes 06 junio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Sábado 03 junio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Viernes 02 junio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Viernes 02 junio 2023

Bioanalytical Service Bioanalytical Service for Small Molecule Drugs and Metabolites, Large Molecules – Peptides and Proteins, etc. LCMSMS Quantification, GCMS Quantification, HPLC, UPLC and ELISA. Analytical Services Analytical Services for Purity Test, Contaminant Test, Pesticide Screening...

Sábado 08 abril 2023

Milk Thistle is a flowering herb native to Mediterranean countries. The main component in Milk Thistle is Silymarin, which is an antioxidant compound. People used it to treat diseases related to the liver and gallbladder traditionally. Basic Information of ACE Biotechnology Milk...

Sábado 11 febrero 2023

Cantidad : 10mg-10t - Precio : 50-15000

The CAS number of nsp dmae nhs is: 194357-64-7, and the molecular formula is C30H26N2O9S. It is a luminescent substrate reagent used in chemiluminescence experiments. Its parent is acridine ester. Many derivatives with different properties, acridinium ester NSP-DMAE-NHS is one of...

Lunes 16 enero 2023

Cantidad : 1kg - Precio : USD4,000.00

1. Nombre del producto: salcaprozato de sodio 2. Alias: SNAC; salcaprozato de sodio; salcaprozato de sodio; Salcaprozato Sódico (SNAC); 8-(2-hidroxibenzamido)octanoato de sodio; 8-[(2-hidroxibenzoil)amino]octanoato de sodio; 8-(2-HIDROXIBENZAMIDO)OCTANATO DE SODIO (SNAC); SNAC, 8...

Jueves 05 enero 2023

Angelica Root Extract It' s extracted from the root of Angelica by SFE-CO2 Extraction. According to traditional Chinese medicine, Chinese angelica powder has the role of nourishing blood, nourishing bowel and defecation. Angelica root powder is suitable for symptoms such as blood deficiency...

Jueves 05 enero 2023

Cas 4431-01-0 Angelica Root Essential Oil Angelica root essential oil is extracted from the root of Angelica by SFE-CO2 Extraction. The main component is ligustilide, linoleic acid, etc. Angelica archangelica essential natural oil is currently the best-selling pharmaceutical intermediate...

Miércoles 09 noviembre 2022

Cantidad : 10g - Precio : 10USD

Nombre del producto: S-23 CAS: 1010396-29-8 Frecuencia intermedia: C18H13ClF4N2O3 MW: 416.753 EINCES: 1532714-185-1 P.F.: 119-121 °C BP: 577,1 ± 50,0 ° C (previsto) Densidad: 1,48±0,1 g/cm3 (previsto) Apariencia: polvo blanco Paquete: 10 g, 100 g, 500 g y 1 kg o según los requisitos del cliente...

Miércoles 09 noviembre 2022

Cantidad : 10g - Precio : 10USD

Nombre del producto: S-23 CAS: 1010396-29-8 Frecuencia intermedia: C18H13ClF4N2O3 MW: 416.753 EINCES: 1532714-185-1 P.F.: 119-121 °C BP: 577,1 ± 50,0 ° C (previsto) Densidad: 1,48±0,1 g/cm3 (previsto) Apariencia: polvo blanco Paquete: 10 g, 100 g, 500 g y 1 kg o según los requisitos del cliente...

Miércoles 09 noviembre 2022

Cantidad : 10g - Precio : 10USD

Nombre del producto: SR9009 (Stenabolic) CAS: 1379686-30-2 Frecuencia intermedia: C20H24ClN3O4S MW: 437.94026 EINCES：1592732-453-0 PA: 547,2±45,0 °C (previsto) Densidad: 1,327 ± 0,06 g/cm3 (previsto) Apariencia: polvo blanco Paquete: 10 g, 100 g, 500 g y 1 kg o según los requisitos del cliente...

Miércoles 09 noviembre 2022

Cantidad : 10g - Precio : 10USD

Sarms MK677 Nombre del producto: mesilato de ibutamoren, MK677, mk677, sarms Otro nombre: Ibutamoren CAS: 159752-10-0 Frecuencia intermedia: C27h36n4o5s.CH4o3s MW: 624.776 EINCES: 1308068-626-2 Apariencia: Polvo blanco Paquete: 10g, 100g, 500g y 1 kg o a petición del cliente. Método de prueba...

Martes 18 octubre 2022

Cantidad : 3000KGS

Extracto de té verde polifenoles de té verde. Nombre del producto: polifenoles de té verde Fuente: camelia. Ingrediente activo: polifenoles de té Especificación: polifenoles totales 40% - 98% UV, 20% - 80% catequina, 15% - 98% egcg HPLC Solubilidad: soluble en agua Apariencia: polvo...

Jueves 08 septiembre 2022

Nombre botánico: Peony, Radix paeoniae Alba, Radix paeoniae rubra Sección de uso: root Apariencia: polvo marrón fino Especificación: paeoniferina 10%, 20%, 50%, 98% HPLC Sinónimo: 5beta - [(benzoiloxi) Metil] tetrahidro - 5 - hidroxi - 2 - metil - 2, 5 - metil - 1H - 3, 4 - dioxoyl...

Jueves 08 septiembre 2022

Extracto de raíz de cúrcuma Nombre Latino: cúrcuma. Aspecto: polvo amarillo - naranja Sección de uso: root Especificación: 15% ~ 95% Curcumina HPLC No CAS: 458 - 37 - 7 Descripción: Curcumina es un componente químico extraído del rizoma de algunas plantas de Zingiberaceae y Araceae...

Miércoles 07 septiembre 2022

- Hesperidin - CAS-No.: [520-26-3] Specification: 85%-95% HPLC Extraction solvent: Water Origin: Dry citrus Aurantium Description: Hesperidin is a flavanone glycoside (flavonoid) (C28H34O15) found abundantly in citrus fruits. Its aglycone form is called hesperetin. Hesperidin is...

Miércoles 07 septiembre 2022

Yohimbe Bark Extract Botanical Source: Pausinystalia Yohimbe Part Used: Bark Appearance: Red-brown to a white fine powder Specifications: 8%-98% Yohimbine HPLC CAS NO.: 523-06-8 Description: The origin of yohimbine is Africa. The active ingredient of Yohimbe is yohimbine, which...

Miércoles 07 septiembre 2022

Other name: Soybean Extract Powder Plant origin: Glycine max (L.) Merr CAS No.: 574-12-9 Specification: 5%~90% HPLC Part Used: Germ or soy bean Appearance: White to light yellow powder Soybean isoflavones contains: Daidzin, Daidzein, Genistin, Genistein, Glycitin, Glycitein Sources and Habitat...

Miércoles 07 septiembre 2022

100% Natural Raw Material Latin Name: Salix babylonica L., Salix alba L. Appearance: Yellow Fine Powder Part used: Bark Product Specification: 15%, 25%, 30%, 50%, 80%, 98% Salicin HPLC Molecular Formula: C13H18O7 Molecular Weight: 286.28 CAS Number: 138-52-3 EINECS: 205-331-6 Product Description...

Miércoles 07 septiembre 2022

Quercetin Dihydrate Product Name: Quercetin Botanical Name: Sophora japonica L. CAS No: 117-39-5 Molecular Formula: C15H10O7 Molecular Weight: 302.24 Color: Yellow-Green powder Used Part: Flower Bud Purity: 95% HPLC Description: Quercetin is a type of plant-based chemical, or phytochemical...

Viernes 29 julio 2022

About Company Qyherb is devoted on the extraction of effective natural ingredients from natural Chinese herbal medicines, and natural plants with 15 years of produce experience. We focus on the natural ingredients and plant extract applied to food, functional products, dietary complement...

Miércoles 18 mayo 2022

Cantidad : 15000 piec - Precio : $5-100

It' s extracted from the root of Angelica by SFE-CO2 Extraction. According to traditional Chinese medicine, Angelica has the role of nourishing blood, nourishing bowel and defecation. It is suitable for symptoms such as blood deficiency, dizziness and palpitation, irregular menstruation...

Miércoles 18 mayo 2022

Cantidad : 15000 piec - Precio : $5-100

It's extracted from the root of Angelica by SFE-CO2 Extraction. The main component is ligustilide, linoleic acid, etc. It is currently the best-selling pharmaceutical intermediate and healthy food raw materials in the market. Angelica root essential oil is also widely used in cosmetics...

Martes 12 abril 2022

The fast switching solenoid valve is a type of multiposition valve without a public port but with dispensing ports around, a sample loop is required for such kind of valve to create a metering specific volume of fluids for a lab test, the applications are very flexible as you can...

Lunes 02 agosto 2021

¿Qué es la glabridina? La glabridina, también conocida como flavona glicirrícica, es un tipo de isoflavona. Se extrae del rizoma seco de Glycyrrhiza glabra L. La glabridina es uno de los principales flavonoides de Glycyrrhiza glabra (representa el 11%). Numerosos estudios han demostrado...

Lunes 02 agosto 2021

La rutina se extrae de las yemas secas de Sophorae Japonica. La rutina pura es un cristal en forma de aguja de color amarillo o amarillo verdoso. La rutina es un glicósido de flavonol compuesto por quercetina y el disacárido rutinosa. La rutina es un poderoso antioxidante. Ayuda al...

Lunes 02 agosto 2021

Información básica: Nombre del producto: extracto de ginkgo biloba Nombre latino: Ginkgo Biloba L. Tipo de producto: Polvo amarillo claro o marrón amarillento Parte de la planta utilizada: hoja (seca, 100% natural) Método de extracción: etanol y agua N. ° de CAS: [90045-36-6] Especificaciones...

Lunes 02 agosto 2021

La stevia (esteviósido, rebaudiósido A) es natural y se deriva de las hojas de la planta de stevia, no contiene ninguna sustancia química dañina que se encuentra a menudo en los edulcorantes artificiales. La stevia es segura para los diabéticos, se ha demostrado que ayuda a prevenir...

Lunes 02 agosto 2021

La hesperidina es un flavanoneglucósido que se encuentra abundantemente en los cítricos. Su forma de aglicona se llama hesperetina. Su nombre se deriva de la palabra "hesperidium", el tipo de fruta que producen los árboles de cítricos. Se cree que la hesperidina juega un papel en...

Lunes 02 agosto 2021

Ácido carnósico 20% Ácido carnósico 50% Ácido carnósico 60% El ácido carnósico es un fitoquímico que se encuentra naturalmente en el romero, la hierba culinaria común. Reconocido como antioxidante, el beneficio más notable del ácido carnósico es su capacidad para proteger contra los...

Miércoles 08 abril 2020

Importance of Proper Models of HPLC Column In practical application, proper models of the HPLC column have a great influence on the performance or operation of the HPLC column. Improper models could greatly reduce the filtration effect. The HPLC column of high purity silica gel matrix...

Miércoles 01 abril 2020

The properties of the reversed-phase filler are determined by the matrix and the substrate. the particle shape, size, pore size and pore size distribution of the matrix, specific surface area, residual silicon hydroxyl concentration, and the content of impurity ions will all have...

Miércoles 25 marzo 2020

Character of syringe filter 1. The PTFE membrane of the syringe filter is completely made of natural and permanent hydrophobic PTFE material. Even under a very low pressure difference, it can ensure that moist air or other gases can pass without hindrance, while the aqueous solution...

Martes 24 marzo 2020

Remove the column outlet end If the pressure does not drop, the HPLC column is blocked. Treatment: if the buffer salt is blocked, flush 95% water to normal pressure. If some strongly retained substances cause blockage, the mobile phase stronger than the current one should be used...

Lunes 23 marzo 2020

Advantages of flash column FLASH chromatography is used for preparation and has the following advantages: 1. Fast speed, generally 1/8 of the separation time of open column chromatography, saving time, slow sample change and decomposition 2. Large preparation volume, at least as compared...

Miércoles 18 marzo 2020

Widely used to remove particles from a liquid sample and avoid damage to equipment at the same time, syringe filter is affordable tool in the labs, which the scientists can use for small-volume filtration. You can find two different types of filters, one is with which you can recover your sample...

Martes 17 marzo 2020

Cleaning and storage of HPLC column Have a good understanding of the sample made, and wash it with the mobile phase that has the strongest eluting capacity for the sample. For silica gel HPLC column, first wash away the polar impurities with methanol, then use dry dichloromethane...

Martes 17 marzo 2020

How to understand the chromatographic separation? Put it in short, the more similar the separated substance to the stationary phase, the longer the residence time on it. In this way, different substances in a complex mixed solution can be separated according to time, and the separated...

Jueves 12 marzo 2020

What areSyringe filter syringe filters used for? syringe filter, also known as needle filter, cylinder filter, cylinder filter membrane filter, etc., is used for sample prefiltration, clarification of the removal of particles, liquids and gases, etc. What are the advantages of using...

Martes 10 marzo 2020

Types of HAWACH HPLC Column There are 2 kinds of HAWACH HPLC columns: Xcheoma series: with many types of fixed phase; with complete varieties and high quality. C18-Aqueous; C18-universal;C18-low pH; C18-Alkaline; C8-universal; C8-Low pH; C8-Fluorine; C4; C30; C1;Phenyl; PAH; etc Echroma series...

Martes 21 enero 2020

Syringe filter is separation equipment which can be combined with a injector to filter out the impurities from the sample of chemically turbid solution. Syringe filter generally consists of a plastic housing and a membrane. The body of syringe filter (plastic housing) is usually made...

Lunes 20 enero 2020

1. Why does the retention time sometimes drift and sometimes change rapidly when analyzed by HPLC? How to solve it? About drift ① The temperature control is not good. The solution is to use a constant temperature device to keep the HPLC column temperature constant. ② The mobile phase...

Viernes 17 enero 2020

Vacuum filtration system is a kind of vacuum filtration device, which ingeniously combines all the components needed for Vacuum filtration on one body, saving space and simple operation. It is widely used in laboratories, including various microbial tests in food, medicine, beverage...

Martes 14 enero 2020

The sample shall be dissolved as much as possible in solvents that are mutually soluble with the mobile phase. Except for special designation, the resolution of the sample HPLC column may be reduced if it is dissolved using a strong solvent. Besides, the sample solution shall be pre-filtered...

Martes 07 enero 2020

Hawach HPLC column is composed of a column tube, pressure cap, clamping sleeve (sealing ring), the screen plate (filter), joint, screw and so on. The column tube is made of stainless steel. When the pressure is not more than 70 kg/cm2, thick-wall glass or quartz tube can also be used...

Viernes 03 enero 2020

Operation of HPLC Columns In daily separation analysis, it is significant to properly use column, or the service life of the column efficiency of it can be directly affected. In the course of column loading, unloading or replacement, strong mechanical vibration should be prevented...

Viernes 13 diciembre 2019

High-perfor mance liquid chromatography (HPLC) was developed on the basis of classical liquid chromatography and introduced gas chromatography theory in the late 1960s. It differs from classical liquid chromatography in that the filler particles are small and uniform, and the small...

Miércoles 11 diciembre 2019

The HPLC reversed-phase column is made of high-purity and high-strength silica gel by using advanced bonding technology. It has a high surface bonding rate and good peak shape for alkaline and acidic compounds. With a high column capacity and long service life, it is the one for the...

Miércoles 11 diciembre 2019

Syringe filters are used in a wide range of laboratories to provide fast and efficient water and organic solution filtration solutions. It is made from a variety of membrane filters containing polypropylene housings, and special injection molding processes increase burst pressure...

Miércoles 11 diciembre 2019

Flow Process of HPLC column First, the solvent in the storage bottle is pumped into the chromatographic system by pump and then output, and then introduced into the sampler after flow and pressure measurement. Second, object to be tested is injected by the sampler, passes through...

Martes 10 diciembre 2019

The protective HPLC columns influence the separation result. First of all, the protective column has a good positive effect on the experiments. Even if the stationary phase is chosen incorrectly, the protective column can also be effective for separation. The protective column is...

Sábado 12 octubre 2019

1.Usage HAWACH syringe filter is used with syringes to filter chemical turbid solution samples, most commonly used in chemical HPLC-MS/GC-MS analysis of liquid and air dedusting, sterilization filtration, biological sample preparation, tissue culture media, microbial media, buffer solutions, etc...

Sábado 12 octubre 2019

1. Leakage at joint Generally, it can be solved by tightening, cleaning and replacement. 2. Pump leakage Check whether the one-way valve and joint are loose, if loose and tightened (not too tight), check whether the seal of mixer and pump is damaged; 3. Leakage of injection valve...

Jueves 10 octubre 2019

The essence of the chromatographic process is the process of distributing the equilibrium of the molecules of the substance to be separated between the stationary phase and the mobile phase. The distribution of the different substances between the two phases will be different, which...

Miércoles 09 octubre 2019

Hawach Scientific co., LTD. is a professional technology company integrating analytical chemical product development, manufacturing, sales, and service, Since its establishment, the company has maintained a high speed and steady pace of development, along with scientific and technological...

Miércoles 09 octubre 2019

Generally speaking，with the increase of temperature, the viscosity of the mobile phase decreases. The situation will lead to an increase in the transfer rate of the substances. Thus the chromatographic separation effect will be better than before. Although the separation effect has been improved...