Resultados de su búsqueda en los anuncios - 181537 Anuncios

Tuesday 17 March 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...

Tuesday 17 March 2020

Cantidad : 1000 - Precio : 0.5-50usd

Car charger is an accessory for car owners to charge digital products anytime and anywhere with car charger source.Some high-end car chargers generally include two USB ports, which can charge two digital products at the same time.Such products generally have overload protection, short...

Tuesday 17 March 2020

Cantidad : 1000 - Precio : 0.5-50usd

K123 Keytech's Data line categories mainly include: Apple lightning USB Cable , Type C USB Cable. All the data lines are made of imported wire, with the latest technology, and have passed strict ex-factory tests. Support high speed data transmission and quick charging function. Do...

Tuesday 17 March 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...

Tuesday 17 March 2020

Cantidad : 50000/mont - Precio : 10usd

BEST Grounding Module Performance and characteristics of BEST grounding module: The low-resistance grounding module is a non-metallic material-based grounding body composed of non-metallic minerals with good conductivity and chemical stability, metal ground rods, electrolytes and humectants...

Tuesday 17 March 2020

Cantidad : 50000/mont - Precio : 10usd

COPPER-CLAD STEEL GROUNDING CONDUCTORS Copper-clad copperweld steel grounding material is a new material developed by Ningbo Zhenhai Beisuda Petrochemical Equipment Co.,Ltd. to replace pure copper. Copper-clad copperweld steel grounding conductors has the following advantages: With...

Tuesday 17 March 2020

Cantidad : 50000/mont - Precio : 10usd

Exothermic Welding Exothermic welding for grounding , also called hot melt welding, fire-clay welding, thermite welding and explosion welding, is a high-heat principle that utilizes the redox reaction between metals, the operation of which is simple, easy to learn, safe and efficient...

Tuesday 17 March 2020

Cantidad : 50000/mont - Precio : 10usd

What is the copper-bonded copperweld steel ground rod? Do you want to buy earth rod? Product Name: Copper coated copperweld steel ground rod Production process: electroplating / continuous electroforming Raw materials: Cold draw high quality mild steel Product type: one pointed, one flat...

Tuesday 17 March 2020

Cantidad : 50000/mont - Precio : 10usd

Chemical Ground Electrode System Performance characteristics and working principle of chemical ground rod : 1. Chemical ground electrode 2. Existing soil 3. Special filler 4. Ions diffuse around 5. Expand the conductive range of the soil Chemical Grounding electrode (chemical grounding...)

Tuesday 17 March 2020

Cantidad : 50000/mont - Precio : 10usd

Brief Instruction of Copper Clad Steel Cable The copper-clad strand wire is shaped like a cable, which is made of a plurality of copper-clad single wires. Because of its multi-stranded properties, the electrical conductivity and tensile strength are relatively good, and the product...

Tuesday 17 March 2020

Cantidad : 50000/mont - Precio : 10usd

0.8 Series CCS Round Wire Origin of new material development 0.8mm series copper-clad round CCS wire is a new type of material developed by our Company to replace pure copper. Because it has the advantages of high strength, low price, high corrosion resistance and high conductivity of copper...

Tuesday 17 March 2020

Cantidad : 50000/mont - Precio : 10usd

Points for Attention in Design of Tank Grounding System in Gas Station 1. Oil tanks should be lightning-proof grounding, and grounding points should not be less than two. 2. The buried oil tank should be electrically connected with the process pipeline exposed to the ground and it...

Monday 16 March 2020

Precio : De 450 Francs CFA à

Proveedor técnico-comercial y comercial para una empresa marfileño-belga con una gran fábrica con sede en Costa de Marfil, vendemos anacardos crudos y sin cáscara. Condiciones para solicitar un presupuesto: envíe una ley a nuestra dirección especificando la cantidad, tipo de medidor...

Monday 16 March 2020

The Manual pipette is designed to provide comfort and quality for daily operations. It pays more attention to humanization and durability. This kind of pipette combines durable construction, ease of use, and portability, making it the best choice for professionals. In addition, a...

Monday 16 March 2020

Our products are the things used in the QuEChERS method, including two major categories: extraction boxes and purification boxes; extraction boxes include salt bags and 50ml centrifuge tubes, but due to the high shipping costs of 50ml centrifuge tubes and common in customer laboratories...

Monday 16 March 2020

1.Syringe filter HAWACH syringe filter features high cleanliness, easy operation, and high precision, with various specifications. Filter housing material uses sanitary polypropylene material. The precise design guarantees smooth filtering rationalized internal space, and very low residual rate...

Sunday 15 March 2020

Cantidad : 200MT/mont - Precio : 30 USD/Kilogram

Classification. Organic Acid Refractive index.1.3 Cas NO.: 76-05-1 Flash Point: -3 oC Molecular Formula: C2HF3O2 Purity: 99.5% Melting Point: -15%C Appearance: clear liquid Boiling Point: -15.4 °C usage: industrial and medical use Stbilty: Stable. Incompatible with combustible material...

Sunday 15 March 2020

Cantidad : 200MT/mont - Precio : 1.3 USD/Kilogram

Classification: Organic Acid Refractive index: Cas NO.: 10294-56-1 Flash Point: Molecular Formula: H3O3P Purity: 99% Melting Point: Appearance: COA Boiling Point: usage: medical use and industrial use Stabiity: null Brand Name: sjtd EINECS: 233-663-1 Aliase: Phosphorous Acid Purity...

Sunday 15 March 2020

Cantidad : 200MT/mont - Precio : 2.5 USD/Kilogram

Classification: Organic Acid Refractive index: 1 .553 Cas NO: : 88-61-9 Flash Point Molecular Formula: C8H10O3S Purity: 99.5% Melting Point: Appearance: Brown ropy liquid Boiling Point: usage: industrial and medicause Stabiity: null Brand Name: sjitd EINECS: 201-843-9 Aliase: 2...

Sunday 15 March 2020

Cantidad : 200MT/mont - Precio : 2.7 USD/Kilogram

Classification: Oxide Refractive index.1 .433-1 436 Cas NO.: 1314-56-3 Flash Point: Non-combustible Molecular Formula: O10P4 Purity: 99% Melting Point: 340-360°C Appearance: White to yellow crystalline powder Boiling Point: sublimes at 300 C usage: industrial and medical use Stability...

Sunday 15 March 2020

Cantidad : 200MT/mont - Precio : 25 USD/Kilogram

Classification: Pharmaceutical Intermediates Refractive index: Cas NO.1 7758-05-6 Flash Point无意义 Molecular Formula: IKO3 Purity: 99% Melting Point: 560°C Appearance: white Boiling Point: usage: industrial and medical use Stability: . Stable. Materials to avoid include organics, combustibles...

Sunday 15 March 2020

Cantidad : 300MT/mont - Precio : 1450 USD/Metric Ton

Classification: Organic Intermediate Refractive index1.437-1.439 Cas NO.: 127-19-5 Flash Point: 151° F (NTP, 1992) Molecular Formula: C4H9NO Purity: 99.5% Melting Point: -20°C Appearance: Clear, colorless liquid Boiling Point: -4° F (NTP, 1992) usage: industrial and medical use Stability: Stable...

Sunday 15 March 2020

Cantidad : 200MT/mont - Precio : 1.2 USD/Kilogram

Classification. Chloride Refractive index: Cas NO.: 7646-85-7 Flash Point 732*C Molecular Formula: CI2Zn Purity: 96% or 98% Melting Point: 167-172 °C Appearance: clear to cloudy colorless or faintly Boiling Point: 219-220 °C at 10 mmHg yellow Stabilit: Stable under normal temperatures...

Sunday 15 March 2020

Cantidad : 200MT/mont - Precio : from China zinc oxid

Classification: Oxide Refractive index: 2.008-2.029 Cas NO.: 1314-13-2 Flash Point: 1436 Molecular Formula: OZn Purity: 99.7% Melting Point: 1975°C Appearance: white powder Boiling Point: 2360°C usage: industrial and medical use Stability: Stable. Incompatible withn magnesium, strong acids...

Sunday 15 March 2020

Cantidad : 200MT/mont - Precio : 4.6 USD/Kilogram

Classification: Furniture Paint Refractive index.n20/D 1.52(it.) Cas NO: : 8001-20-5 Flash Point: >230 °F Molecular Formula: Unspecified Purity: 100% Melting Point: Appearance: Transparent Boiling Point: usage: Tung oil is used in medicine and chemical Stabiity: null industry...

Sunday 15 March 2020

Cantidad : 200 Metric - Precio : 2.5 USD/Kilogram

Classification: Organic Salt Refractive index: Cas NO.1 7681-53-0 Flash Point Molecular Formula: NaO2P Purity: 99.5% Melting Point: 100 Appearance. odorless white crystals Boiling Point: usage: industrial and medical use Stabilty. Stable. Incompatile with strong oxidizing agents...

Sunday 15 March 2020

Cantidad : 200MT/mont - Precio : 40 USD/Kilogram

Clasification: Organic Acid Refractive index: 1 .508 Cas NO.: 56-86-0 Flash Point: 155.7 °C Molecular Formula: C5H9NO4 Purity: 99.5% . Melting Point: 205C Appearance: White cryst. powder Boiling Point: 333.8 °C at 760 mmHg usage: industrial .food and medical grade Stability: . Stable...

Sunday 15 March 2020

Cantidad : 200MT/monh - Precio : 6.5 USD/Kilogram

Classification: Organic Salt Refractive index: Cas NO: 7789-79-9 Flash Point: Molecular Formula: CaO4P2 Purity: 98%min Melting Point: . Appearance: White powder and/or granules. Slight Boiling Point: characteristic odor Stability: No data. usage. industrial use Brand Name: sjtd EINECS...

Sunday 15 March 2020

Cantidad : 200MT/mont - Precio : 1.1 USD/Kilogram

Classification: Sulphate Refractive index. Cas NO.: 7775-27-1 Flash Point: 1800C Molecular Formula: Na2O8S2 Purity: 99% Melting Point: 100 °C Appearance: White crystalline powder Boiling Point usage: industrial grade Stability: Stability Unstable. Strong oxidizer. Contact with Brand Name...

Sunday 15 March 2020

Cantidad : 200MT/mont - Precio : 30USD/kg

Classification: Pharmaceutical Intermediates Refractive index: 1.677 Cas NO1 7681-11-0 Flash Point 1330°C Molecular Formula: IK Purity: 99% Melting Point: 680°C Appearance: white to off-white crystalline powder Boiling Point: 1330°C usage. medical use Stability: Stable. Protect from...