PURIFYING - 237 ads

Monday, May 04, 2020

Quantity : 50 pieces - Price : €5

Manufactured by TOP GLOVE Malaysia! Face Masks are non-woven, antibacterial latex-free and available with ASTM Level 2 and ASTM Level 3 protection. Moderate Fluid Resistance: 120mmHg Bacterial Filtration Efficiency: >99% Particle Filtration Efficiency: >99% @ 0.1 micron Breathability...

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...

Thursday, December 12, 2019

Because the cotton fiber in the filter paper has a good affinity with water, it can absorb about 22 percent of the water, in the form of a hydrogen bond with cellulose water has 6 to 7 percent. In general, it is very difficult to remove. Compared with the affinity with water, the...

Thursday, October 10, 2019

QuEChERS firstly came out in 2003. The inventors of QuEChERS, Michelangelo Anastasiades and Steve Lehotay, were asked for the three biggest improvements in this method from development to now. They made the following statement. In the period of conceiving the method QuEChERS, we have...

Monday, September 30, 2019

The purifying agent holds an important position in the QuEChERS pre-treatment method. An appropriate selection and application of it would be necessary for the users to improve the efficiency of purification and accuracy of the sampling detection result. Selection of purifying agents...

Tuesday, September 24, 2019

Syringe filter is suitable for the filtration of a small number of samples in the laboratory. The adsorbability of syringe filter to samples is weak, which ensures the large number of recovery of small or high-value samples. The outer shell of the filter is made of polypropylene and...

Wednesday, September 18, 2019

It is well known that a large number of high-tech industries are inseparable from dust-free purification workshops, such as CCL circuit substrate copper clad laminates, PCB printed circuit boards, photoelectric LCD panels and LEDs, power and 3C lithium batteries, and some pharmaceutical...

Wednesday, September 18, 2019

Selection of scavengers The conventional QuEChERS method only uses PSA which is too simple single that can no longer meet the complex matrix samples examination experiments. GCB (graphitized carbon black) can effectively adsorb pigments, non-polar interferences such as sterol due...

Wednesday, September 11, 2019

Flash chromatography is one of the methods in the preparation of liquid chromatography and is usually used for the separation of organic compounds. Flash chromatography has the advantages of ease of operation, low cost, and fast analysis. There are few other techniques for purifying...

Tuesday, September 03, 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...

Wednesday, August 14, 2019

After years of development, the QuEChERS pretreatme nt method has been continuously improved and broadened by researchers as a simple and rapid residual pretreatment technology. The application target also has been extended from the highest moisture content of vegetables and fruits...

Monday, August 12, 2019

The rapid chromatographic method is a technology widely used in the separation and purification of active target compounds, such as organic compounds, natural products, and biological macromolecules. Rapid chromatographic method has the advantages of easy-operation, low-price, and fast-analysis...

Tuesday, August 06, 2019

Quantity : 100000TM - Price : 50USD

Uses of Diethanolamine Diethanolamine similar to triethanolamine (T775580) is used as a surfactant. It also has the potential to be a corrosion inhibitor by means of chemisorption. Definition of Diethanolamine ChEBI: A member of the class of ethanolamines that is ethanolamine having...

Tuesday, July 09, 2019

Rapid chromatography Technology for the separation and purification of natural products and biological macromolecules. It has the advantages of easy operation, cheap price, and rapid analysis, and a few other technologies can match the rapid chromatography in the application of purifying...

Monday, July 08, 2019

SPE Technique Introduction SPE(Solid-phase Extraction), is an increasingly popularized technology of sample pretreatment, which is established on the basis of traditional LLE(Liquid-liquid Extraction). Combined with the substance interaction mechanism that like dissolves like, and...

Friday, July 05, 2019

The product mainly includes two parts: extraction boxes and purification boxes. Extraction boxes include salt bags and 50 ml centrifugal tubes. Due to the high transportation cost of 50 ml centrifugal tubes and the general unacceptability of customer laboratories, more customers will...

Wednesday, July 03, 2019

Flash column chromatography is an efficient way to separate complex mixtures of compounds in the lab. we use compressed air to push the solvent through the column when we are running flash columns. It can help provide better separation and cut down the running time as while. Flash...

Monday, June 24, 2019

QuEChERS is widely used in many areas, in the case that the targeting recovery rate satisfies the need, and also the matrix background of removing impurities meets detection, it can be applied to purify stuff such as residues of food and veterinary, additives, plasticizers. However...

Thursday, June 13, 2019

Package 1 QuEChERS extracting pesticide residues from plants Extraction box: 50 ml centrifuge tube + AOAC/EN salt pack 2 kinds of buffer salts: General buffer salt for phase-separation and pH-adjustment; Anhydrous magnesium sulfate completely separates water in the matrix from the...

Tuesday, June 11, 2019

Developed in the 1970s, flash column chromatography is the method of isolating and purifying a component from a mixture by passing the sample through the flash column filled with a gel. The inventors of flash column chromatography were using medium pressure chromatography and short...

Thursday, July 19, 2018

Price : 1 million to 100 mil

Separation of CO from blast furnace gas is an international problem, which is mainly due to the blast furnace gas also contains a large number of N2 and CO2. Because of the close boiling point of N2 and CO, the traditional cryogenic rectification process cannot be used to separate...

Thursday, July 19, 2018

Price : 1 million to 100 mil

PIONEER's independently-developed and produced PSA-CO adsorbent PU-1 was granted the Chinese, USA and Canadian patents. PU-1 has ultra-high adsorption capacity and selectivity for CO, which are the key features for PSA-CO technology which reaches the advanced level in the world. PIONEER...

Tuesday, May 22, 2018

Quantity : 10 - Price : 80USD

Carbon brush T900 Brake lever SK-1 220/18V Power supply board DC power supply board PC01 Single diode board PC03 Ground fault detection board PC13 Generator excitation board PC11 Sprocket non-slip board sprocket skid plate PC05 SCR cabinet solid state relay board PC15, PC14 PC14 Double...

Thursday, March 01, 2018

Price : 2800$ per set

THY-310B diesel oil purifier series are developed by our tianhou group, which is mainly applied to large diesel generating units or other equipments powered by diesel fuel engine of medium power below 4000HP. This new invention is used for filtering harmful impurities for diesel engine...

Saturday, November 04, 2017

Technical Parameters： It's great significant for AFC-133 filter test bench to optimize and develop filter materials, ensure quality assurance of the production process. Dust capacity and filtration efficiency are the most interesting properties of filter material properties, depending...

Friday, October 13, 2017

Quantity : MOQ 5 TONS

- Classification: Carboxylic Acid - CAS No.: 6153-56-6 - Other Names: Ethanedioic Acid - MF: C2O4H2*2H2O - EINECS No.: 205-634-3 - Place of Origin: Shanxi, China (Mainland) - Grade Standard: Electron Grade, Industrial Grade - Purity: 99.6% min - Appearance: white crystal - Application...

Wednesday, September 27, 2017

Quantity : 5000 tons

Formula : (COOH)2 2H2O CAS NO. : 6153 - 56 – 6 / 144 – 62 - 7 Appearance : White crystal & powder; free flowing. Uses : Purifying agent in pharmaceutical industry, special in antibiotic medication, such as Oxytetracycline , Chloramphenicol , etc; Precipitating agent in Rare-earth...

Saturday, August 19, 2017

Quantity : 100 - Price : $11000

Application: ZYD online oil dehydration transformer units are designed for use in treating electrical insulating oil in the oil-filled electrical equipment. As the oil purifying nanotechnology, this machine can treat oil more quickly and more completely, remove the soluble and insoluble...

Sunday, July 09, 2017

Quantity : 10 - Price : 5 000,00 €

Introduction: The VHF Hydraulic Oil Filtering Cleaning Equipment produced by Acorefiltration company is special for purifying low viscosity lubricant oils .It is widely used in cleaning treatment of compressor hydraulic oil, aviation hydraulic oil etc. As water, gas, metal particles...

Sunday, July 09, 2017

Quantity : 100 - Price : 5 000,00 €

Vacuum Transformer Oil Purification Plant from Acorefiltration uses electromagnetic induction principle to change the AC voltage of the device, the main components are primary coil, secondary coil and core. The main functions are: voltage conversion, current conversion, impedance conversion...