滴定分数
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The distribution of carboxylic group were determined by conductance titration and affected by the concentration of surfactant, the volume fraction and the amount of methyl acrylic acid.
同时，用电导滴定法测定了乳胶粒表面羧基的含量，探讨了乳化剂浓度、羧酸含量及内相比对羧基分布的影响。
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