PURIFYING - 204 Anuncios

Jueves 10 octubre 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...

Lunes 30 septiembre 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...

Martes 24 septiembre 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...

Miércoles 18 septiembre 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...

Miércoles 18 septiembre 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...

Miércoles 11 septiembre 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...

Martes 03 septiembre 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...

Miércoles 14 agosto 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...

Lunes 12 agosto 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...

Martes 06 agosto 2019

Cantidad : 100000TM - Precio : 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...

Martes 09 julio 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...

Lunes 08 julio 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...

Viernes 05 julio 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...

Miércoles 03 julio 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...

Lunes 24 junio 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...

Jueves 13 junio 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...

Martes 11 junio 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...

Jueves 19 julio 2018

Precio : 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...

Jueves 19 julio 2018

Precio : 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...

Martes 22 mayo 2018

Cantidad : 10 - Precio : 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...

Jueves 01 marzo 2018

Precio : 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...

Sábado 04 noviembre 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...

Viernes 13 octubre 2017

Cantidad : 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...

Miércoles 27 septiembre 2017

Cantidad : 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...

Sábado 19 agosto 2017

Cantidad : 100 - Precio : $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...

Domingo 09 julio 2017

Cantidad : 10 - Precio : 5 000,00 €

Introducción: El equipo de limpieza de filtración de aceite hidráulico VHF producido por la empresa Acorefiltration es especial para la purificación de aceites lubricantes de baja viscosidad. Se utiliza ampliamente en el tratamiento de limpieza del aceite hidráulico del compresor...

Domingo 09 julio 2017

Cantidad : 100 - Precio : 5 000,00 €

La planta de purificación de aceite del transformador de vacío de Acorefiltration utiliza el principio de inducción electromágnetica para cambiar la tensión de CA del dispositivo, los componentes principales son bobina primaria, bobina secundaria y núcleo. Las funciones principales son...

Sábado 22 abril 2017

Application Series TY vacuum turbine oil purifier mainly be used for purifying unqualified turbine oil, especially for serious emulsion turbine oil, it can quickly and efficiently break emulsification, separate water, gas, particles from oil. So that makes sure quality of treated...

Sábado 22 abril 2017

Application Series ZY high efficiency vacuum insulating oil purifier, mainly for the power station, industrial and mining enterprises purifying the unqualified transformer oil, mutual inductor oil, switch oil and so on. Series ZY can remove water, trace water, gas, particles from...

Miércoles 15 marzo 2017

Dedusting filter box is a kind of environments protection equipment of air filtration and purifying and fresh air pressure. Simple structure, manufacture conveniently, wide application, maintaining conveniently. The internal exhaust fan kept the enough fresh air in the room to...