METHOD OF PURIFICATION BY USING MICRO-CHANNEL DEVICE

摘要

PROBLEM TO BE SOLVED: To solve a problem wherein a further economical and effective method for purifying a compound containing an impurity having≤1.2 relative volatility is continuously required. SOLUTION: This method of purification comprises removing an impurity from a group of compounds having similar volatility, to produce an ultrahigh purity compound. COPYRIGHT: (C)2009,JPO&INPIT