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which is better coloumn for reciduial solvent &why
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By Anonymous on Tuesday, October 21, 2003 - 10:26 am:
The selectivity of the 3% Phenyl 3% Cyanopropyl methyl silicone AKA 624 or 1301 phase will separate a great number of solvents. A good confirmation column is the 5% Phenyl Methyl Silicone. See the USP suggested columns for residual solvents.