Precise coulometric titration of the potassium hydrogen phthalate (NBS-SRM 84d). The use of the Faraday constant as an international standard.
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概要
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The purity of the potassium hydrogen phthalate (NBS SRM 84d) was determined by precise coulometric titration. The purity obtained was 99.995±0.002% (standard deviation: 0.003%), and was in excellent agreement with the purities of the same SRM determined already in three laboratories in U.S.A. These results support the recommendation on the use of the Faraday constant as an international standard for titrimetric analysis.
- 公益社団法人 日本化学会の論文
著者
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Tanaka Tatsuhiko
Faculty Of Engineering Science University Of Tokyo
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Yoshimori Takayoshi
Faculty Of Engineering Science University Of Tokyo
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