| 甲基橙氧化褪色吸光光度法测定碘的研究 |
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| 引用本文： | 周坚勇,罗力军,何建丽,沈维军.甲基橙氧化褪色吸光光度法测定碘的研究[J].理化检验(化学分册),1997,33(6):251-252. |
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| 作者姓名： | 周坚勇 罗力军 何建丽 沈维军 |
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| 作者单位： | 浙江省上虞市卫生防疫站!上虞312300(周坚勇)，上虞化工总厂(罗力军，何建丽)，上虞市粮油总公司(沈维军) |
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| 摘 要： | 提出了在硫酸介质中并在溴化钾的催化下,碘酸根氧化甲基橙褪色吸光光度法测定碘的新方法.试验结果表明,在最大吸收波长510nm处,碘浓度在0～50μg/50ml范围内呈线性关系,表观摩尔吸光系数为9.0×10~(4).方法已用于测定碘盐及海带中的碘,结果满意.
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| 关 键 词： | 碘的测定 甲基橙 吸光光度法 氧化褪色 |
STUDY ON THE SPECTROPHOTOMETIC DETERMINATION OF IODINE BY OXIDATION DECOLORATION REACTION OF METHYL ORANGE |
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| Zhou Jianyong.STUDY ON THE SPECTROPHOTOMETIC DETERMINATION OF IODINE BY OXIDATION DECOLORATION REACTION OF METHYL ORANGE[J].Physical Testing and Chemical Analysis Part B:Chemical Analgsis,1997,33(6):251-252. |
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| Authors: | Zhou Jianyong |
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| Institution: | Zhou Jianyong(Shangyu Municipal Sanitary and Antiepidemic Station Shangyu zhejiang 312300) Luo Lijun and He Jianli Shen Weijun(Shangyu Chemical Industry Factory) (Shangyu Foodstuff and Oil Corporation) |
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| Abstract: | |
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| Keywords: | Iodine determination Methyl orange Spectrophotometry Oxidation Decoloration |
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