By Vladimir Betina
This paintings includes elements, half A: concepts and half B: purposes. partially A an important rules of pattern coaching, extraction, clean-up, and of verified and potential chromatographic thoughts are mentioned in terms of mycotoxins. partly B an important information, scattered within the literature, on thin-layer, liquid, and gasoline chromatography of mycotoxins were compiled. Mycotoxins are often prepared in response to households, comparable to aflatoxins, trichothecenes, lactones and so on. Chromatography of person very important mycotoxins and multi-mycotoxin chromatographic analyses also are incorporated. purposes are offered in 3 chapters dedicated to thin-layer, liquid, and gasoline chromatography of mycotoxins.
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Extra resources for Chromatography of Mycotoxins: Techniques and Applications
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In flash chromatography, the column is dry-packed with 15 cm of dry silica gel or bonded-phase silica. The column is then filled with solvent, and gas pressure ( - 2 0 psi) is used to push the air rapidly from the column (31). 0 cm layer of anhydrous sodium sulphate is added to the top of the column to protect the adsorbent from water traces in the sample extract. 4 Fractionation and detection The solvent used to pack the column is drained off until it is just over the column bed. Next, the sample, dissolved preferably in a small volume of the mobile phase, is applied slowly and evenly with a pipette on the top of the column bed, and the column is refilled with the solvent.