The absorption spectroscopic determination of aucubin by condensation with p-dimethylaminobenzaldehyde was optimized in this paper.

采用均匀法对对二甲氨基苯甲醛显色法测定桃叶瑚甙的显色条件进行了优化。

The colorimetry of sulfuric acid and p-Dimethylaminobenzaldehyde used to determinate the fusel oil of alcoholic liquor,but it occurs deviation.

测定白酒油常采用硫酸-对二甲胺基苯甲醛比色法,但测定常有误差。