Hawach irregular C18 Flash Columns from Hawach produced with medical grade PP cartridge and no extractable PE frits and packed with ultra-pure, high-quality bonded silica.
Neutral Alumina Flash Columns
Hawach irregular C18 Flash Columns, the extremely low metal content reduces the interaction between the metal ions and the sample and avoiding sample peak tailing due to high metal content.
Spherical CN Flash Columns
Hawach spherical CN flash column with low powder and low metal content, columns with standard Luer lock end fittings are perfectly compatible with most flash systems.
WHY CHOOSE HAWACH SCIENTIFIC CO., LTD
Hawach Scientific Co., Ltd
base in Xi'an, Shaanxi, which is an important central city in western China, and an important national research, education and industrial. In order to continuously provide products and services that satisfy customers with quality, price, performance, function and delivery, we will do our best to make the best efforts and the most exquisite technology. At the same time, Hawach actively seek global partners to provide good genetic and external support for the development of Hawach. Welcome to join us. Hawash's Flash column belongs to the sample preparation series, Hawach also includes syringe filters, filter paper, filter membranes, SPE cartridges, filter cartridges, vacuum filtration, QuEChERS and more.
Flash chromatography vs column chromatography. The main differences between them are as follows: Speed, Sample size, Solvent usage, Packing material, Pressure,and Resolution...
Preparation and operation of flash chromatography column: 1. Determine the weight of the dry, solvent-free mixture to be separated. 2. Use thin-layer chromatography to select the solvent system so that the value of Rf is between 0.2 and 0.3, but if the mixture is complex, this may be unrealistic...
First, the increasing sampling size will lead to the reduction of the resolution. Second, the optimum velocity depends on the length and width of the flash column and the properties of the gel. Finally, the resolution is affected by the stationary phase...
250-300mm is a common column length. More than half of the laboratory work uses this specification column, which is generally used to separate medium to complex mixtures of 10 to 50 components. For 500-600mm, it requires higher resolution...
Polar glue-linked types (APS, diol, CN, and NH2) can be used in normal phase and reverse phase conditions according to the application purpose. Reverse phase (C8, C18, ODS, RP-8, and RP-18) is usually used for reverse-phase conditions (phase)...
1. Determine the weight of the dry, solvent-free mixture be separated. 2. Use thin layer chromatography to select the solvent system so that the value of Rf is between 0.2 and 0.3, but if the mixture is complex, this may be unrealistic...
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