SUBSTANCES - 1735 Annonces

Lundi 23 septembre 2019

Let's take a look at two common adsorbents for adsorption chromatography. Polyamide The polyamide adsorbent can be divided into nylon 6 (polycaprolactam) and nylon 66 (polyhexamethylene adipamide), which are hydrogen bond adsorption and semi-chemical adsorption. There are many amide...

Samedi 21 septembre 2019

Quantité : 5000 ton/p - Prix : 0.8usd

Product description Stainless Steel Capillary Tube Description: Whether you need to exchange device tubing as a section of your troubleshooting or want to minimize the dwell extent of your system as you pass to narrower columns, WENZHOU HUASHANG STEEL CO., LTD. has the first-rate...

Samedi 21 septembre 2019

Quantité : 5000 ton/p - Prix : 0.8usd

Product description Precision Tubes Description The traditional annealing approach is performed in a so referred to as open furnace, where the atmospheric oxygen reasons scaling of the heat treated materials, which makes the surface rough. HUASHANG STEEL has developed a one of a kind...

Samedi 21 septembre 2019

Quantité : 5000 ton/p - Prix : 0.8usd

Product description Bright Annealed Stainless Steel Tubing Description The traditional annealing approach is performed in a so referred to as open furnace, where the atmospheric oxygen reasons scaling of the heat treated materials, which makes the surface rough. HUASHANG STEEL has...

Vendredi 20 septembre 2019

The water filter cartridge is generally divided into MF (microfiltration), UF (ultrafiltration), NF (nanofiltration) and RO (reverse osmosis) and SF (sodium-ion exchanger filtration) for different purposes. Materials 1.MF: PPF (5-25 micron); active carbon granule and bar (5 micron)...

Jeudi 19 septembre 2019

The determination of 10 plant polyphenols in tobacco samples by solid phase extraction and high-performance liquid chromatography as below: Plant polyphenols are important substances in tobacco. The content of polyphenols in tobacco has an important influence on tobacco quality. Therefore...

Mercredi 18 septembre 2019

Quantité : 20GP - Prix : 5USD

Description of Calcium aluminate cement Calcium aluminate cement, alumina cements or high alumina cements are obtained by the reaction at high temperature of lime (from limestone) and alumina (contained in natural minerals like bauxite). The product obtained after cooling is a hard mineral...

Mercredi 18 septembre 2019

Quantité : 20GP - Prix : 5USD

Description of Calcium aluminate cement Calcium aluminate cement, alumina cements or high alumina cements are obtained by the reaction at high temperature of lime (from limestone) and alumina (contained in natural minerals like bauxite). The product obtained after cooling is a hard mineral...

Mercredi 18 septembre 2019

Hawach SPE Cartridges are made of medical grade PP and forming in one time. Frits are made of UHMW-PE. There is a variety of models to choose, such as Normal Phase Cartridge, Reversed Phase Cartridge, Ion Exchanges Cartridge, Mixed Mode Cartridges and so on. Here, We would like to...

Mardi 17 septembre 2019

Hawach Scientific product quality in strict accordance with ISO9001: 2000 quality system certification procedures, and from now on we have exported to more than 120 countries. Overview of qualitative filter paper, analysis laboratory commonly used filter paper as a filter medium,...

Mardi 17 septembre 2019

Adsorption chromatography uses the difference in adsorption capacity of substances in stationary phase adsorption to achieve separation of the mixture. The chromatographic process of adsorption chromatography is the process in which the mobile phase molecules compete with the material...

Lundi 16 septembre 2019

Reversed phase chromatography (RP) is the most widely used technique in high-performance liquid chromatography (HPLC) up to now, mainly because it is suitable for the analysis of most of them. Nonpolar substances and many ionizable and ionic compounds. Most stationary phases used...

Lundi 16 septembre 2019

The extraction is divided into liquid phase extraction (LLE) and solid phase extraction (SPE). SPE technology is a column chromatography separation process. The technology is a combination of liquid-solid extraction and column liquid chromatography. The combination of this technology...

Dimanche 15 septembre 2019

MiniBottles Empty Plastic Bottles Description: The classic cylindrical minibottles wholesale is made of food grade Pet, which is safer and more reliable.T he bottle Cap is made of Screw Cap, which is connected more tightly, ensuring that the bottle does not leak and the smallmouth...

Samedi 14 septembre 2019

A fire truck (also called fire water truck, fire water foam truck, firefighter, firefighting truck, fire apparatus, fire engine, or fire appliance), Which is a vehicle designed primarily for firefighting operations. In addition, many fire departments often employ their vehicles for...

Jeudi 12 septembre 2019

As an important branch of chromatography, high-performance liquid chromatography (HPLC) has become an important application of separation and analysis technology in the fields of chemistry, medicine, industry, agriculture, commodity inspection, and law inspection. Features of high-performance...

Mercredi 11 septembre 2019

The structure of the SPE cartridge is mainly divided into four parts: column tube, sieve plate, adsorbent and supporting device. The characteristics of each part are briefly introduced below. Column tube: A carrier for the adsorbent, made from serum grade polypropylene. Commonly used...

Mardi 10 septembre 2019

With bottle-top dispenser, the loss of expensive reagents and media messes can be effectually avoided during the transfers. We can find almost the same amounts reproduced for the applications through a direct displacement piston system. The bottle-top dispensers achieve a safer chemical...

Mardi 10 septembre 2019

According to the separation mechanism of substances, Chromatography can be divided into adsorption chromatography, distribution chromatography, ion exchange chromatography and the like. The operation mode of the adsorption thin layer chromatography refers to that the adsorption capacity...

Samedi 07 septembre 2019

Quantité : 5000 MT - Prix : EUR 300 / Ton

REFINED SUGAR GRADE A – ICUMSA 45 Icumsa : 45 RBU Polarization : 99.80% Min Ash content : 0.04% Max Moisture : 0.04% Max Solubility : 100% Free Flowing Radiation : Normal Certified Colour : Sparkling White Granulation : Fine CANE SUGAR – ICUMSA 100 Icumsa : 100 RBU Polarization : 99...

Vendredi 06 septembre 2019

Quantité : 1kg - Prix : $4

Characters Vibrant formula that uses advanced technology to synthesize a highly effective and broad-spectrum bactericide to control the growth of microorganisms in the entire reverse osmosis system. Not only effectively control the growth of microorganisms in cellulose acetate film...

Mercredi 04 septembre 2019

Quantité : 600000mont - Prix : 0.1USD-0.5USD

Product Name: 50ml 100ml 150ml Shampoo Bottles 200ml plastic bottle Material: PET Materials Capacity: 50ml 100ml 150ml 200ml Slogan: Dark green bottle and sloping shoulder gives you exquisite texture. Dark green bottle and sloping shoulder gives you exquisite texture Introduction...

Mardi 03 septembre 2019

The basic principle of SPE cartridges is that the liquid sample is made to pass through the adsorbent to retain the tested substance, and then the impurities are washed away with appropriate strength solvent, and then the tested substance is eluted with a small amount of good solvent...

Samedi 17 août 2019

Quantité : 10 SETS - Prix : 10000 CNY

The theory of high frequency welding equipment: Under the effect of the high frequency electric field, the positive and negative charges of the substance to be heated displace to form electric pole polarons. The polarons polarize repeatedly to cause the molecules to produce the intense...

Samedi 17 août 2019

Quantité : 500kg

Multifunctional Insulator Cleaning Agent (RS-10) is mainly used for eradicating dirt, dust and contaminations on surface of the power equipment, especially clean that which surface was heavily polluted. After cleaning, RS-10 can significantly enhance the adhesion between the RTV coatings...

Samedi 17 août 2019

Quantité : 500kg

In recent years, with the improvement of people's living standard, the living conditions of the requirements is also rising, which highlights the growing importance of waterproof family. The new concept of "health for Verizon waterproof, care homes", is committed to the comprehensive...

Vendredi 16 août 2019

Quantité : 40HQ - Prix : 0.09-0.40USD/PC

Paper-poly bag, also known as three-in-one composite paper bag or laminated paper bag, is made of plastic and kraft paper. Usually, the plastic layer is pp woven fabric with pp polypropylene (pp) as the base material, and the kraft paper is made of refined kraft paper. The production...

Vendredi 16 août 2019

Quantité : 40HQ - Prix : 0.09-0.40USD/PC

Chemical packaging bags could be made of polypropylene woven fabric only, but for those chemical material which needs to be stored or transported under dry and leakage-proof conditions, Kraft paper laminated woven pp bags would be a more suitable packaging material choice. Pp woven...

Vendredi 16 août 2019

NH2 HPLC columns refer to the chromatographic columns that use silica gel as matrix carrier to bond amino groups. They are usually used for the analysis of carbohydrate compounds, and the mobile phase is usually methanol, acetonitrile and buffers salt solution. - The cleaning method...

Jeudi 15 août 2019

Review the article that I had written for product introductions, it seems that the content which making fun of products basically does not have, a person with the label of “warm person heart” is wearing very tired. The things about making fun are so cool to be said completely by naked...