| 氟盐取代-EDTA滴定法测定铝土矿中铝量 |
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| 引用本文： | 孟亚东,孙洛新,傅晓强,杨桂松,申开洪.氟盐取代-EDTA滴定法测定铝土矿中铝量[J].岩矿测试,2008,27(6):475-476. |
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| 作者姓名： | 孟亚东 孙洛新 傅晓强 杨桂松 申开洪 |
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| 作者单位： | 河南省地质调查院实验室,河南,郑州,450051 |
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| 基金项目： | 河南省重要成矿带1:5万矿产调查项目资助 |
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| 摘 要： | 采用EDTA滴定法(氟盐取代)对高铁质铝土矿石中三氧化二铝的含量进行测定。重点探讨了氟化钾的加入量及煮沸时间对三氧化二铝测定结果的影响。方法用于实际样品中三氧化二铝的测定,结果符合质量管理规范。
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| 关 键 词： | EDTA滴定法 三氧化二铝 高铁质铝土矿 氟化钾 煮沸时间 |
| 收稿时间： | 2008/5/25 0:00:00 |
| 修稿时间： | 2008/8/14 0:00:00 |
Determination of Aluminum in Bauxites by Fluorate Replacement-EDTA Titrimetry |
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| MENG Ya-dong,SUN Luo-xin,FU Xiao-qiang,YANG Gui-song and SHEN Kai-hong.Determination of Aluminum in Bauxites by Fluorate Replacement-EDTA Titrimetry[J].Rock and Mineral Analysis,2008,27(6):475-476. |
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| Authors: | MENG Ya-dong SUN Luo-xin FU Xiao-qiang YANG Gui-song and SHEN Kai-hong |
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| Institution: | Laboratory of Geology and Mineral Exploration of Henan Province;Laboratory of Geology and Mineral Exploration of Henan Province;Laboratory of Geology and Mineral Exploration of Henan Province;Laboratory of Geology and Mineral Exploration of Henan Province;Laboratory of Geology and Mineral Exploration of Henan Province |
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| Abstract: | A method for the determination of Al2O3 in bauxite samples with high-Fe by fluorate replacement-EDTA titrimetry was reported in this paper.The factors influencing the determination of Al2O3,such as dosage of replacement reagent KF and reaction(boiling) time were studied.The method has been applied to the determination of Al2O3 in practical bauxite samples and the results were in agreement with quality management regulation. |
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| Keywords: | EDTA titrimetry aluminum oxide high-Fe bauxite potassium fluoride boiling time |
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