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English Translations » 化工分析圈 » 【Daily Question】Chemical Analysis Edition, 2021.12.14

【Daily Question】Chemical Analysis Edition, 2021.12.14

2021-12-14View Original

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The indirect iodine method requires that the determination be carried out in a neutral or weakly acidic medium; if the acidity is too high, it will result in: A. An incomplete reaction; B. Easy volatilization of I2; C. An indistinct endpoint; D. Oxidation of I-, along with decomposition of Na2S2O3. D
Reply #22021-12-14
D and I- are oxidized, and Na2S2O3 is decomposed.
Reply #32021-12-14
D and I- are oxidized, while Na2S2O3 is decomposed

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Translated at 2026-07-23 18:22:39

Original: https://bbs.hcbbs.com/thread-3280169-1-1.html

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