| 催化光度法测定食品中的痕量铁 |
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| 引用本文： | 曹永林 邱凤仙. 催化光度法测定食品中的痕量铁[J]. 化学世界, 1999, 40(1): 39-41 |
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| 作者姓名： | 曹永林 邱凤仙 |
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| 作者单位： | 镇江师范专科学校化学系 |
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| 摘 要： | 本文研究了铁（Ⅲ）对过氧化氢氧化劳氏青莲退色反应的催化作用及其动力学条件，从而建立了痕量铁（Ⅲ）的催化光度法，检出限为１．８×１０－９ｇ·ｍＬ－１。用本法测定食品中的痕量铁，结果令人满意。
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| 关 键 词： | 催化光度法 劳氏青莲 铁 |
Determination of Trace Iron in Food by Catalytic Spectrophotometric Method |
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| Cao Yonglin Qiu Fengxian. Determination of Trace Iron in Food by Catalytic Spectrophotometric Method[J]. Chemical World, 1999, 40(1): 39-41 |
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| Authors: | Cao Yonglin Qiu Fengxian |
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| Abstract: | The catalytic action and dynamic conditions of iron (Ⅲ) on hydrogen peroxide by Lauth's purple decolorization reaction were studied.Thus,the catalytic photometric method for iron (Ⅲ) is established.The upper limit is 1.8×10 -9 g·mL -1 .This is a satisfied method for the determination of trace iron in food. |
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| Keywords: | catalytic photometric method Lauth's purple iron |
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