目的建立溴芬酸钠原料中二氯甲烷、甲苯、1，2-二甲氧基乙烷、乙酸乙酯、乙醇残留量测定方法。
Objective To establish a method for detection of dichloromethane, 1,2-dimethoxyethane, toluene, ethyl acetate and ethanol in bromfenac sodium.
介绍了以二氯乙烷或液溴为溶剂制取五溴甲苯的方法及其优缺点。
The preparation of pentabromotoluene was effected by utilizing dichloroethane and liquid bromine as reaction solvent, and their advantages and defects were pointed out.
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