... tem ==> 表色系 colorimetric titration method ==> 比色滴定法 colorimetry ==> 比色法=>测色 ...
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P-nitrobenzaldehyde colorimetric titration method 对硝基苯甲醛比色滴定法
Method: acid base titration and colorimetric method of acid dye were used.
方法：采用容量法和酸性染料比色法。
Objective: to compare the two methods of content determination for total alkaloids in Tonkin Sophora root. Method: acid base titration and colorimetric method of acid dye were used.
前言：目的：比较山豆根总碱两种含量测定方法，为山豆根提取工艺优选提供参考。
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