HYDROXYL - 133 Anuncios

Jueves 16 diciembre 2021

Sorbitan esters and Polysorbates as nonionic offer many advantages over ionic surfactants including increase stability, enhance flexibility and provide wider compatibility. They are stable in mild acids, alkalis and electrolytes and do not react with ionic ingredients or actives....

Jueves 16 diciembre 2021

Sorbitan esters and Polysorbates as nonionic offer many advantages over ionic surfactants including increase stability, enhance flexibility and provide wider compatibility. They are stable in mild acids, alkalis and electrolytes and do not react with ionic ingredients or actives....

Jueves 16 diciembre 2021

Sorbitan esters and Polysorbates as nonionic offer many advantages over ionic surfactants including increase stability, enhance flexibility and provide wider compatibility. They are stable in mild acids, alkalis and electrolytes and do not react with ionic ingredients or actives....

Jueves 28 octubre 2021

Saigao Nutri is a reliable food additives manufacturer and dietary fiber supplier, have exceptionally pure sweetness that is completely free of secondary flavors and aftertastes. It can greatly enhance the flavor and aroma of food, beverage, nutrition, bakery, dairy, confectionery, etc...

Lunes 27 septiembre 2021

Name: Trimethylchlorosilane Feature: Trimethylchlorosilane is a colorless or light yellow transparent irritating liquid. CAS No.: 75-77-4 Technical Data of Trimethylchlorosilane Testing Items Testing Standards Trimethylchlorosilane /% ≥ 99.5 Methyltrichlorosilane /% ≤ 0...

Lunes 27 septiembre 2021

HTV quality or high-temperature vulcanized silicone rubber is used in the compression molding press. Special silicone rubber materials are chosen based on their intended use, whether they need to be fire, oil, or heat resistant. Food and medical qualities have FDA and BFR approvals...

Viernes 11 junio 2021

SiSiB SILICONES, established in 1989, is one of the leading silane supplier, focusing on the development and manufacture of silanes and silicones. We offer Organofunctional Silanes, Fluoro Silicone Rubber, Silicone Surfactant, dimethicone silicone,etc. SiSiB is worldwide leading supplier...

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...

Martes 21 enero 2020

The FLASH column is the heart of the FLASH purification system, like an engine in a car. If you want to do a good job, you must first sharpen the tools. Choosing the correct FLASH purification column is the most critical part of the whole purification process. And choosing the right...

Sábado 28 septiembre 2019

Depending on the packing of the HPLC column. The following column types are available on the market: 1. Silica gel HPLC column: Silica gel is the earliest chromatographic column packing used in liquid chromatography. It has a wide range of applications. However, it can only be used...

Martes 03 septiembre 2019

Chemical properties of the chromatographic column could affect the performance of the C18 HPLC column. Performance factors of C18 HPLC columns: bonding type Single tooth bonding can improve the mass transfer rate and accelerate column balance. Double tooth bonding can increase the...

Miércoles 14 agosto 2019

Physical properties of the chromatographic column could affect the performance of C18 HPLC columns. - Performance factors of C18 HPLC columns: - Silica gel purity Class A silica gel has high residual silica hydroxyl with a negative charge and high metal content on the acidic surface...

Lunes 12 agosto 2019

The system of an HPLC column is composed of a liquid, a reservoir, a pump, a sampler, a column, a detector and a recorder. - The packing material of HPLC columns - The packing material has high carbon content, small surface polarity, very low chemical purity and high surface separation...

Sábado 03 agosto 2019

Cantidad : 100,000 MT - Precio : 50USD

CAS NO.: 868-77-9 - 2-Hydroxyl Ethyl Methacrylate (HEMA) is mainly used for the modification of resins and coatings. Its copolymerization of other acrylic monomers can produce acrylic resins with active hydroxyl groups in the side chains, perform esterification reaction and cross-linking...

Jueves 04 julio 2019

The silicon hydroxyl group with strongly polar on the surface of glass sample vials will adsorb the samples. Based on such reasons, people produce hydrophobic glass surface through silylating the sample vials in order to eliminate the adsorption of the sample vials, which is widely...

Miércoles 13 junio 2018

Cantidad : 10 - Precio : 100,00 €

Factory Supply 99.9% Purity Polyethylene Glycol (PEG) (CAS: 25322-68-3) Basic info. Alias: Alcox E 30; Alcoxe30; Alkapolpeg-200; Alkapolpeg-300; Alkapolpeg-600 Purity: 99% CAS: 25322-68-3 Einecs No: 200-849-9 Grade: Cosmetic Grade, Food Grade, Medicine Grade Storage: This product is non-toxic...

Viernes 23 marzo 2018

Product Description Potassium humate is a kind of high polymer heterogeneous aromatic hydroxyl carboxylate. It is obtained by alkaline extraction of lignite or brown coal or leonardite. It is water soluble, contains hydroxyl, carboxylate and other active groups, has the functions of chelation...

Martes 11 abril 2017

Part of used: Seed Odor: Characteristic Appearance: Brownish Yellow fine powder Active ingredient: Chlorogenic acid CAS NO.: 327-97-9 Molecular Weight: 354.31 Molecular Formula: C16H18O9 Extraction Type : Solvent Extraction Test Method: HPLC What is Chlorogenic Acid? Green Coffee...

Martes 11 abril 2017

Part of used: Seed Odor: Characteristic Appearance: Brownish Yellow fine powder Active ingredient: Chlorogenic acid CAS NO.: 327-97-9 Molecular Weight: 354.31 Molecular Formula: C16H18O9 Extraction Type : Solvent Extraction Test Method: HPLC What is Chlorogenic Acid? Green Coffee...

Martes 11 abril 2017

Part of used: Seed Odor: Characteristic Appearance: Brownish Yellow fine powder Active ingredient: Chlorogenic acid CAS NO.: 327-97-9 Molecular Weight: 354.31 Molecular Formula: C16H18O9 Extraction Type : Solvent Extraction Test Method: HPLC What is Chlorogenic Acid? Green Coffee...

Martes 11 abril 2017

Part of used: Seed Odor: Characteristic Appearance: Brownish Yellow fine powder Active ingredient: Chlorogenic acid CAS NO.: 327-97-9 Molecular Weight: 354.31 Molecular Formula: C16H18O9 Extraction Type : Solvent Extraction Test Method: HPLC What is Chlorogenic Acid? Green Coffee...

Martes 11 abril 2017

Part of used: Seed Odor: Characteristic Appearance: Brownish Yellow fine powder Active ingredient: Chlorogenic acid CAS NO.: 327-97-9 Molecular Weight: 354.31 Molecular Formula: C16H18O9 Extraction Type : Solvent Extraction Test Method: HPLC What is Chlorogenic Acid? Green Coffee...

Martes 11 abril 2017

Product Name: Green Coffee Bean Extract Powder Part of used: Seed Odor: Characteristic Appearance: Brownish Yellow fine powder Active ingredient: Chlorogenic acid CAS NO.: 327-97-9 Molecular Weight: 354.31 Molecular Formula: C16H18O9 Extraction Type : Solvent Extraction Test Method...

Viernes 31 marzo 2017

Ginkgo biloba, or maidenhair tree, is renowned worldwide for its medicinal properties. This remarkable tree is known as a 'living fossil', as it is the sole survivor of an ancient group of trees that date back to beyond the time of the dinosaurs. Changsha Huir provides 100% natural...

Sábado 25 marzo 2017

Cantidad : Best - Precio : 155-180USD/Kg

Professional manufacturer supply natural ginkgo biloba P.E. Ginkgo biloba, or maidenhair tree, is renowned worldwide for its medicinal properties. This remarkable tree is known as a 'living fossil', as it is the sole survivor of an ancient group of trees that date back to beyond...

Viernes 24 febrero 2017

Product Name: Bilberry Extract Product No.: MS8990002 Latin Name: Vaccinium myrtillus L./Vaccininm ulingosum L. Plant Source: Natural bilberry fruit Appearance: Purple fine powder Specification: 25% Anthocyanidins UV(Chinese Standard,European Standard) Testing method: UV and HPLC CAS No...

Jueves 23 febrero 2017

Product Name: Blueberry Extract Product No.: MS8990005 Plant Source: Fruit Appearance: Purple fine powder Specification: 25% Anthocyanidins CAS No. : 84082-34-8 About blueberry extract: Blueberry extract is a natural substance sold in supplement form. Said to offer a range...

Viernes 09 diciembre 2016

100% pure natural Sophora Japonica extract / Sophora Japonica extract / Rutin 98% Product Description Background Rutin (quercetin rutinoside), like quercitrin, is a glycoside of the flavonoid quercetin. As such, the chemical structures of both are very similar, with the difference...

Martes 30 agosto 2016

Precio : 10,00 €

Hydroxyl Vinyl Silicone Oil RH-Vi307 Main Content：Hydroxyl Vinyl PolysiloxaneCharacters and Specifications： Appearance：Colorless or light yellow transparent liquid. Viscosity：（25℃,mm2/s）：1000 – 2000Density(25℃)： 0.9600 - 0.9900Vinyl content（m/m%）：0.045~0.075Volatile Content: （150℃/3h）：≤2...

Lunes 29 agosto 2016

Precio : 10,00 €

Shandong Bluestar Dongda Chemical Co.,Ltd is one of the leading China ppgs for special purpose manufacturers, welcome to buy high-quality ppgs customized for special purpose from our professional factory.Special PPG 1TrademarkHydroxyl Value mgKOH/GAcid Value mgKOH/GWater Content %pHViscosity...