| 氢氟酸溶矿硅钼蓝比色法测定磷矿中的二氧化硅 |
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| 引用本文： | 吕晓琳,李亚静.氢氟酸溶矿硅钼蓝比色法测定磷矿中的二氧化硅[J].吉林地质,2007,26(3):65-67. |
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| 作者姓名： | 吕晓琳 李亚静 |
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| 作者单位： | 吉林省第六地质调查所,吉林,延吉,133001;吉林省第六地质调查所,吉林,延吉,133001 |
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| 摘 要： | 在pH=2.0~2.7左右的酸性介质中,硅酸根离子与钼酸铵生成黄色的硅钼酸络合物,然后加入抗坏血酸使其还原成稳定的硅钼蓝,借此测定硅的质量分数。
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| 关 键 词： | 磷矿 二氧化硅 氢氟酸溶矿 硅钼蓝比色法 |
| 文章编号： | 1001-2427（2007）03-065-03 |
| 收稿时间： | 2007-02-12 |
| 修稿时间： | 2007-07-18 |
Determining silicon dioxide in phosphorus mineral by using acid dissolving mineral, silico-molybdenum blue spectrophotometry |
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| Lü Xiao-lin,LI Ya-jing.Determining silicon dioxide in phosphorus mineral by using acid dissolving mineral, silico-molybdenum blue spectrophotometry[J].Jilin Geology,2007,26(3):65-67. |
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| Authors: | Lü Xiao-lin LI Ya-jing |
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| Institution: | The Sixth Geologic Survey of Jinlin Province. Yanji 133001, China |
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| Abstract: | In acid medium that pH is about 2.0~2.7,the silicic acid radical ion and molybdenum acid ammonium generate yellow silicon molybdenum acid complex compound,then added to ascorbic acid made it reduced stable silicon molybdenum blue to determine the contents of silicon. |
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| Keywords: | phosphorus mineral silicon dioxide acid dissolving mineral silico-molybdenum blue spectrophotometry |
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