An Qia
2014
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Journal
Liaoning Chemical Industry
Abstract
A non-aqueous titration method to determine N-methylmorpholine content was established. The non-aqueous titration method was performed with acetic anhydride as solvent,perchloric acid as titrant,crystal violet as indicator. Relative standard deviations(RSD) of the determined values were less than 2%. The method has the advantages of easy operation,clear titration endpoint and good repeatability. The method can be used to determine the content of N-methylmorpholine.