SOLVENT - 1817 ads
Monday, March 23, 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...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Friday, March 20, 2020
Quantity : 20MT/month - Price : 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...
Changzhou XiaQing Technological Co., Ltd
- 213101 - Henglin
- 86 519 88721665
Tuesday, March 17, 2020
Quantity : 200,000 pc - Price : 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...
Jiangsu Jiuwu Hi-tech Co., LTD
- jiuwu
- 211808 - nanjing
- 025 58109595
- +86 025 58109595
Tuesday, March 17, 2020
Quantity : 200,000 pc - Price : 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...
Jiangsu Jiuwu Hi-tech Co., LTD
- jiuwu
- 211808 - nanjing
- 025 58109595
- +86 025 58109595
Tuesday, March 17, 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...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Tuesday, March 17, 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...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Monday, March 16, 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...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Sunday, March 15, 2020
Quantity : 200MT/mont - Price : 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...
jinan shijitongda chemical co.ltd
- jinanshijitongda
- 250033 - jinan
- 86 531 85917597
Sunday, March 15, 2020
Quantity : 300MT/mont - Price : 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...
jinan shijitongda chemical co.ltd
- jinanshijitongda
- 250033 - jinan
- 86 531 85917597
Sunday, March 15, 2020
Quantity : 200MT/mont - Price : 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...
jinan shijitongda chemical co.ltd
- jinanshijitongda
- 250033 - jinan
- 86 531 85917597
Friday, March 13, 2020
Quantity : 4 pcs - Price : 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...
Xi'an Hoan Microwave Co., ltd
- 710077 - xi'an
- 86 13649209860
- 86 29 85521190
Friday, March 13, 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...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Wednesday, March 11, 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...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Tuesday, March 10, 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...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Monday, March 09, 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...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Monday, March 09, 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...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Friday, February 14, 2020
Quantity : 100 - Price : 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...
BANDAR ELECTRONIC MEDAN
- 20234 - Medan
- 6289632114097
Friday, February 14, 2020
Quantity : 100 - Price : 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...
BANDAR ELECTRONIC MEDAN
- 20234 - Medan
- 6289632114097
Friday, February 14, 2020
Quantity : 100 - Price : 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...
BANDAR ELECTRONIC MEDAN
- 20234 - Medan
- 6289632114097
Friday, February 14, 2020
Quantity : 100 - Price : 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...
BANDAR ELECTRONIC MEDAN
- 20234 - Medan
- 6289632114097
Friday, February 14, 2020
Quantity : 100 - Price : 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...
BANDAR ELECTRONIC MEDAN
- 20234 - Medan
- 6289632114097
Friday, February 14, 2020
Quantity : 100 - Price : 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...
BANDAR ELECTRONIC MEDAN
- 20234 - Medan
- 6289632114097
Friday, February 14, 2020
Quantity : 100 - Price : USD 607
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...
BANDAR ELECTRONIC MEDAN
- 20234 - Medan
- 6289632114097
Friday, February 14, 2020
Quantity : 100 - Price : USD 345
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...
BANDAR ELECTRONIC MEDAN
- 20234 - Medan
- 6289632114097
Friday, February 14, 2020
Quantity : 100 - Price : USD 403
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...
BANDAR ELECTRONIC MEDAN
- 20234 - Medan
- 6289632114097
Friday, February 14, 2020
Quantity : 100 - Price : USD 1380
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...
BANDAR ELECTRONIC MEDAN
- 20234 - Medan
- 6289632114097
Wednesday, January 22, 2020
The sealing property of the headspace vial is better than that of the threaded vial, and the rubber or silica gel has good re-sealing after the puncture, so it is ideal to preserve the reagents. If some of the organic solvents in use will corrode the silicone or rubber bottle pad...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Tuesday, January 21, 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...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Tuesday, January 21, 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...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33
Monday, January 20, 2020
As we know, five steps required for solid phase extraction cartridge: sample preparation, activation or equilibration of the column, loading, rinsing and eluting the compound of interest. There is no uniform regulation for that the solid phase extraction cartridge should be activated...
Hawach Scientific Co.,Ltd.
- 710077 - Xi'an
- +86 29 89284429
- +15 1 02 91 81 33