Optimal Conditions for Masking of Sulfite Anions with Formaldehyde in Iodometric Titration of Photographic Fixing Solutions

V.N.Kiryushov; L.I.Skvortsova

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Optimal Conditions for Masking of Sulfite Anions with Formaldehyde in Iodometric Titration of Photographic Fixing Solutions

机译：碘量滴定照相定影液中亚硫酸根阴离子与甲醛掩蔽的最佳条件

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摘要

The iodometric titration of photographic fixing solutions can be simplified by masking sulfite anions with 3% aqueous formaldehyde in a weakly acidic medium,instead of their standard masking with concentrated aqueous formaldehyde in weakly alkaline solutions.

机译：通过在弱酸性介质中用3％甲醛水溶液掩蔽亚硫酸根阴离子，而不是在弱碱性溶液中用浓甲醛水溶液掩蔽亚硫酸根阴离子，可以简化照相定影液的碘滴定。

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来源
《Russian journal of applied chemistry》 |2005年第4期|p.552-555|共4页
作者
V.N.Kiryushov; L.I.Skvortsova;
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作者单位

Institute of Solid State and Mechanochemistry,Siberian Division,Russian Academy of Sciences,Novosibirsk,Russia;

Institute of Solid State and Mechanochemistry,Siberian Division,Russian Academy of Sciences,Novosibirsk,Russia;

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正文语种 eng
中图分类应用化学;
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Optimal Conditions for Masking of Sulfite Anions with Formaldehyde in Iodometric Titration of Photographic Fixing Solutions

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