https://www.selleckchem.com/
For a successful high-speed countercurrent chromatography (HSCCC) separation of multiple components, the suitable solvent system selection is a critical operation. Despite the difference in separation mechanism between HSCCC and HPLC, K values of compounds in the solvent system and the retention factor of compounds in HPLC were connected with polarity, and the polarity mainly depended on the structure and chemical properties of compounds. On the basis of the concept of "like dissolves like", the average polarity of the solvent system is equal to the average
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