| 返滴定法测鞣液中的三价铬 |
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| 引用本文： | 林雪飞.返滴定法测鞣液中的三价铬[J].曲靖师范学院学报,1994(Z2). |
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| 作者姓名： | 林雪飞 |
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| 作者单位： | 曲靖师范高等专科学校化学系 云南·曲靖655000 |
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| 摘 要： | 本法是用EDTA络合返滴定直接测量皮革鞣液中的三价铬,与仪器分析法和传统的碘量法比较,有经济、省时、易掌握、准确度较高的优点,特别是在测量过程中不需将三价铬氧化为毒性较大的六价铬,从而一定量地避免了环境污染。
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| 关 键 词： | 返滴定 络合反应 反应速度 滴定剂 掩蔽 指示剂 数据 |
Determining Ferric Chromium in Tamic Liquid with Complexometric Returned Titration |
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| Lin Xuefei.Determining Ferric Chromium in Tamic Liquid with Complexometric Returned Titration[J].Journal of Qujing Normal College,1994(Z2). |
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| Authors: | Lin Xuefei |
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| Abstract: | Compared with instrumental analysis and iodometry, it is ecomomical, time-saving, easily mastering and high accurate to determine the ferric chromium in tannic liquid with complexometric returned titration, especially without oxidizing ferric chromium into toxicity hexabasic,so as to avoid pollution. |
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| Keywords: | return titration complexometric icaction speed of reaction tiirant cover indicator data |
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