白酒甲醇测定中静置时间问题分析

Analysis on Laying Aside Time Problem in Methanol Test of Chinese Alcohol

该文通过对甲醇标准溶液和样品的测试,得出测定过程中的静置显色时间,由30min定为静置60min后再比色,具有稳定、准确、便于操作等优点。

This arucle put forward the laying aside time nceded for displaying color in methanol test of Chinese alcohol to 60 minutes(30 mintues orginary) by testing standard solution and sample,which has advantages of stabiliy,accuracy and easy to carry out.