| 甲基橙指示SnCl2还原无汞测铁法的改进 |
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| 引用本文： | 王京芳,董文举.甲基橙指示SnCl2还原无汞测铁法的改进[J].南阳师范学院学报,2005,4(9):42-43,56. |
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| 作者姓名： | 王京芳 董文举 |
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| 作者单位： | 河南师范大学,化学与环境科学学院,河南省环境污染控制重点实验室,河南,新乡,453002 |
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| 摘 要： | 对用甲基橙指示预氧化还原无汞测铁法的实验条件进行了探讨，改进了无汞测铁法的一些具体操作步骤，使无汞测铁法的实验现象更加明显，测定精度更高，并与经典的SnCl2-HgCl2预还原测铁法进行比较，结果令人满意。
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| 关 键 词： | 铁 重铬酸钾 氯化亚锡 甲基橙 滴定 |
| 文章编号： | 1670-6132（2005）09-0042-02 |
| 收稿时间： | 12 21 2004 12:00AM |
| 修稿时间： | 2004-12-21 |
Method of no mercury salt determination iron by methyl orange indicating reduction of stannous chloride |
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| WANG Jing-fang,DONG Wen-ju.Method of no mercury salt determination iron by methyl orange indicating reduction of stannous chloride[J].Journal of Nanyang Teachers College,2005,4(9):42-43,56. |
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| Authors: | WANG Jing-fang DONG Wen-ju |
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| Abstract: | In this paper,it were investgated on some experimental factors that determination of iron no mercury using methyl orange as indicator carry on the preoxidation-reduction reaction, some conditions of this method has been improved ,which makes the experimental phenomenon more obvious, The precision is much better. The analytical results obtained are in good agreement with those obtained by classical method. |
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| Keywords: | iron potassium bichromate stannous chloride methyl orange titration |
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