Potentiometric titration of milligram amounts of organic acids with an interfacial voltaic cell for end-point detection |
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| Authors: | Wen Meng-liang Wang Chang-yi |
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| Affiliation: | Department of Chemistry, Yunnan University, Kunming, Yunnan People''s Republic of China |
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| Abstract: | A small interfacial (antimony scratch) cell is shown to be satisfactory for indicating end-points in microtitrations of 28 organic acids, as well as pharmaceutical preparations. The method is simple and rapid and end-points are sharp. Recoveries were 98.0–101.9% for sample weights of 0.6–4 mg. |
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