| EDTA容量法测定氟石中的碳酸钙量 |
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| 引用本文： | 曹欣.EDTA容量法测定氟石中的碳酸钙量[J].西北民族学院学报,2004,25(3):19-21. |
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| 作者姓名： | 曹欣 |
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| 作者单位： | 西北民族大学化工学院 甘肃兰州730030 |
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| 摘 要： | 在三乙醇胺的存在下,以含定量钙的稀乙酸浸取试样,pH值为13的氢氧化钾介质中,以钙黄绿素-百里香酚酞为混合指示剂,EDTA容量法测定氟石中的碳酸钙量.此法简便,快速,准确度高,重复性好.
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| 关 键 词： | EDTA容量法 氟石 碳酸钙 |
| 文章编号： | 1009-2102(2004)03-0019-03 |
| 修稿时间： | 2004年6月20日 |
Measurement of the Quantity of Calcium Carbonate in Calcium Fluoride by Means of EDTA Capacity |
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| ZENG,Xin.Measurement of the Quantity of Calcium Carbonate in Calcium Fluoride by Means of EDTA Capacity[J].Journal of Northwest Minorities University(Natural Science ),2004,25(3):19-21. |
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| Authors: | ZENG Xin |
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| Abstract: | This article puts forward a simple, quick, accurate and easily repeated method of measuring the quantity of Calcium Carbonate in Fluoride by Means of EDTA Capacity, in which immersed indense Acetic Acid is taken as the sample in Caustic potash medium with pH as 13 under the existence of Triethanolamine, and Calcein—Thmolphalein is taken as the mixed indicator. |
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| Keywords: | Means of EDTA Capacity Calcium Fluoride Calcium Carban |
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