SOLVENTS - 1795 Annonces

Mardi 14 avril 2020

Darshan Industries manufacturing of Dyestuffs & Pigments in India with offered best quality of Dyestuffs, basic dyes, Acid Dyes, Solvent Dyes, pigments at affordable prices. Darshan industries is manufacturer & exporter of dyestuffs. We manufacture acid, basic and solvent...

Lundi 13 avril 2020

Most of the pipette tips in the manufacturing process are added to a small number of additives, such as color materials and release agents. The color materials are the addition of corresponding chromogenic materials to polypropylene; the release agent is often used to help the pipette...

Lundi 13 avril 2020

Characteristic of QuEChERS Extraction Salts The QuEChERS method is fast, simple and economical, and Hawach makes the QuEChERS program easier. Specialized glassware is not required when you use Hawach QuEChERS to pick up bags and tubes. The freely flowing extracted salt and salt packs...

Vendredi 10 avril 2020

HAWACH extraction thimbles are known for their purity and consistent high quality. We provide a variety of high performing extraction thimbles in various dimensions as well as wall thicknesses. HAWACH offers an extensive range of sizes. The all-in-one design provides excellent mechanical...

Mercredi 01 avril 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...

Mardi 31 mars 2020

SPE technology is a physical extraction process including liquid phase and solid phase based on the theory of liquid-solid chromatography, which uses selective adsorption, selective elution to enrich, separate and purify the sample. In daily application, SPE cartridge can also be...

Lundi 30 mars 2020

1. Why does the QuEChERS approach recommend use dry ice or liquid nitrogen homogenizing frozen samples and extracting samples while frozen? The frozen samples were homogenized with dry ice or liquid nitrogen, and the samples were made into a fine powder (smaller particle size, more homogeneous)...

Mercredi 25 mars 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...

Lundi 23 mars 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...

Vendredi 20 mars 2020

Quantité : 20MT/month - Prix : 6.90 USD/Kilogram

Classification: Pharmaceutical Intermediates Cas NO.: 543-49-7 Molecular Formula: C7H16O Melting Point: -30.15°C Boiling Point: 160-162 °C(lit.) Stability: Stable. Flammable. Incompatible with strong oxidizing agents, strong acids. Refractive index: n20/D 1.420(lit.) Flash Point: 140 °F Purity...

Mardi 17 mars 2020

Quantité : 200,000 pc - Prix : usd160-500

Reverse osmosis (RO) is a water purification technology that uses a semipermeable membrane to remove ions, molecules, and larger particles from drinking water. Ro membrane technology is one of the most powerful tools to solve the world water crisis. We have rich experiences in RO...

Mardi 17 mars 2020

Quantité : 200,000 pc - Prix : usd160-500

The membrane area of CMP pilot machine has the following types: 0.1 m², 0.2 m², 0.5 m², 1 m², 2 m², 3 m², 4.5 m², 5 m², 6 m², 6.5 m², 8 m², 9 m² FEATURES OF CMP PILOT MACHINE Due to higher membrane velocity, reduce the accumulation of pollutants in the membrane surface, increase membrane flux...

Mardi 17 mars 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...

Mardi 17 mars 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...

Lundi 16 mars 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...

Dimanche 15 mars 2020

Quantité : 200MT/mont - Prix : 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...

Dimanche 15 mars 2020

Quantité : 300MT/mont - Prix : 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...

Dimanche 15 mars 2020

Quantité : 200MT/mont - Prix : 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...

Vendredi 13 mars 2020

Quantité : 4 pcs - Prix : USD 10-470

Advantages of rubber: 1. It can be made into products of various shapes and different hardness, with outstanding elasticity and sufficient strength; 2. It can make the natural frequency of the vibration isolation system lower and have higher damping. 3. No matter in tension, compression...

Vendredi 13 mars 2020

Generally, vacuum filtration can be used for collecting a desired solid too. Do not use vacuum filtration to filter a solid from a liquid if it is the liquid that you want for your applications. If the liquid is a low boiling, vacuum filtration is not a good choice either, because...

Mercredi 11 mars 2020

Column chromatography is found important in the labs due to its factors of easy packing procedure, low pressure of operation and low costs as well. Depend on the way that the solvent flows down the column, we can find two different kinds of column chromatography: one is gravity column...

Mardi 10 mars 2020

1.Mixed-mode cation exchange r: A mixed adsorbent having strong cation exchange and reverse retention, which is highly selective for alkaline analytes, stable in organic solvents. 2.Weak cation exchanger: Weak cation exchange and reverse retention complex mechanism, which is used...

Lundi 09 mars 2020

The QuEChERS method has the following advantages : (1) high recovery rate, which is greater than 85% for a large number of polar and volatile pesticide varieties;(2) high accuracy and accuracy, can be corrected by internal standard method;(3) a wide range of analyzable pesticides...

Lundi 09 mars 2020

Vacuum filtration is highly appreciated by scientists as the ideal technique. Suction is applied to a mixture of liquid and solid to get the fast and efficient results when we need to separate and keep the precipitate safe from a solution. On the one hand, vacuum filtration has lots...

Vendredi 14 février 2020

Quantité : 100 - Prix : USD 2149

Bandar Electronic has been established from 2010 and to this day we continue to grow. We're one of the largest distributors in Indonesia to provide Graphics Printing, Cutting Plotters, Large Format Solvent Printer,Photocopiers,Facsimile,Scaners,L aminator,Ink Printer,Print head,Bitcoin...

Vendredi 14 février 2020

Quantité : 100 - Prix : USD 1047

Bandar Electronic has been established from 2010 and to this day we continue to grow. We're one of the largest distributors in Indonesia to provide Graphics Printing, Cutting Plotters, Large Format Solvent Printer,Photocopiers,Facsimile,Scaners,L aminator,Ink Printer,Print head,Bitcoin...

Vendredi 14 février 2020

Quantité : 100 - Prix : USD 1213

Bandar Electronic has been established from 2010 and to this day we continue to grow. We're one of the largest distributors in Indonesia to provide Graphics Printing, Cutting Plotters, Large Format Solvent Printer,Photocopiers,Facsimile,Scaners,L aminator,Ink Printer,Print head,Bitcoin...

Vendredi 14 février 2020

Quantité : 100 - Prix : USD 785

Bandar Electronic has been established from 2010 and to this day we continue to grow. We're one of the largest distributors in Indonesia to provide Graphics Printing, Cutting Plotters, Large Format Solvent Printer,Photocopiers,Facsimile,Scaners,L aminator,Ink Printer,Print head,Bitcoin...

Vendredi 14 février 2020

Quantité : 100 - Prix : USD 125

Bandar Electronic has been established from 2010 and to this day we continue to grow. We're one of the largest distributors in Indonesia to provide Graphics Printing, Cutting Plotters, Large Format Solvent Printer,Photocopiers,Facsimile,Scaners,L aminator,Ink Printer,Print head,Bitcoin...

Vendredi 14 février 2020

Quantité : 100 - Prix : USD 662

Bandar Electronic has been established from 2010 and to this day we continue to grow. We're one of the largest distributors in Indonesia to provide Graphics Printing, Cutting Plotters, Large Format Solvent Printer,Photocopiers,Facsimile,Scaners,L aminator,Ink Printer,Print head,Bitcoin...