| 分光光度法测定铁矿石中的二氧化硅和五氧化二磷 |
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| 引用本文： | 杨莲瑛.分光光度法测定铁矿石中的二氧化硅和五氧化二磷[J].化工管理,2013(10):63-63,65,156. |
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| 作者姓名： | 杨莲瑛 |
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| 作者单位： | 新疆地矿局第一地质大队,新疆鄯善838200 |
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| 摘 要： | 试样经碳酸钠、硼酸和四硼酸钠混合助溶剂碱熔,硝酸酸化定容后,以铋磷钼黄分光光度法测定五氧化二磷;在草酸存在下,以硫酸亚铁铵为还原剂,硅钼蓝法测定二氧化硅,本方法操作简单、快速,具有较好的精密度和准确度。
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| 关 键 词： | 分光光度法 铁矿石 五氧化二磷 二氧化硅 |
Spectrophotometric Method For Determination Of Silicon Dioxide In Iron Ore And Phosphorus Pentoxide |
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| Yang lianying.Spectrophotometric Method For Determination Of Silicon Dioxide In Iron Ore And Phosphorus Pentoxide[J].Chemical Enterprise Management,2013(10):63-63,65,156. |
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| Authors: | Yang lianying |
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| Institution: | Yang lianying(The First Geological Group of Xinjiang Geology and Minerals Bureau, Shanshan 838200, China) |
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| Abstract: | Sample by sodium carbonate, boric acid and sodium tetraborate cosolvent alkali fusion, the capacity, the nitric acid acidification in bismuth phosphor molybdenum yellow spectrophotometric method determination of phosphorus pentoxide; In the presence of oxalate, reductant of ammonium ferrous sulfate, silica, silicon molybdenum blue method, this method operation is simple, rapid, and has good precision and accuracy. |
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| Keywords: | spectrophotometric method Iron ore Phosphorus pentoxide Silicon dioxide o |
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