| 乙基橙褪色光度法测定加碘盐中微量碘（Ⅴ） |
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| 引用本文： | 孙嘉彦,费海平,陈波,丁邦琴,杭凌云.乙基橙褪色光度法测定加碘盐中微量碘（Ⅴ）[J].干旱环境监测,1999,13(2):76-77. |
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| 作者姓名： | 孙嘉彦 费海平 陈波 丁邦琴 杭凌云 |
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| 作者单位： | 江苏省南通职业大学化工系 |
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| 摘 要： | 提出了在盐酸介质中，在溴化钾催化作用下，碘酸根氧化乙基橙褪色吸光光度法测定碘的新方法。结果表明，最大吸收波长为５１０ｎｍ时，碘（Ⅴ）浓度在０～１．６ｍｇ／Ｌ内呈线性关系，表观摩尔吸光系数为４．４×１０４，方法用于加碘盐中碘（Ⅴ）的测定，结果满意。
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| 关 键 词： | 碘盐 微量 碘 乙基橙 褪色光度法 显色剂 |
DETERMINATION OF TRACE IODINE() IN IODINE-ADDING SALT BY THE PHOTOMETRY OF ETHYL
ORANGE DECOLORATION |
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| Sun Jiayan,Fei Haiping,Chen Bo,Ding Bangqing and Hang
Lingyun.DETERMINATION OF TRACE IODINE() IN IODINE-ADDING SALT BY THE PHOTOMETRY OF ETHYL
ORANGE DECOLORATION[J].Arid Environmental Monitoring,1999,13(2):76-77. |
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| Authors: | Sun Jiayan Fei Haiping Chen Bo Ding Bangqing and Hang
Lingyun |
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| Abstract: | A new method of determing
iodine by the photometry of ethyl orange decoloration was introduced,in a acid medium with KBr
catalysis.The result showed that when \-\{max\}=510 nm,iodin() concentration with the range of 0-1.
6mg/L had the linear relation and the apparent molar absorptivity was 4.410\+4.This method can
be applied to the determination of iodine() in iodine-adding salt.\= |
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| Keywords: | Photometry Iodine salt Trace iodine() |
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