Objective: To Determine the content of salicylic acid and benzoic acid in Compound Ben-zoic acid Powder by HPLC.
目的：采用高效液相色谱法同时测定复方苯甲酸散中水杨酸苯甲酸的含量。
In order to modify aromatic polymer, benzoic acid-bentonite was synthesized by treating alkaline Ca-bentonite with Ben - zoic acid.
为了改性具有芳烃基团的有机高分子材料，用苯甲酸改性碱性钙基膨润土制备了苯甲酸有机膨润土。
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