| 火焰光度法测定氧化铝中的氧化钠 |
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| 引用本文： | 南小英,沈华荣. 火焰光度法测定氧化铝中的氧化钠[J]. 中国陶瓷, 2007, 43(8): 56-57 |
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| 作者姓名： | 南小英 沈华荣 |
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| 作者单位： | 景德镇陶瓷学院,景德镇,333000 |
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| 摘 要： | 氧化铝原料纯度高,熔点高,不被氢氟酸—硫酸所分解,但能迅速熔解于热的硫—磷混酸溶液中。控制溶液中硫—磷混酸的浓度,并在氧化钠系列标准溶液中配入等量的硫—磷混酸,即可在火焰光度计上直接测量氧化钠的含量。
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| 关 键 词： | 火焰光度法 氧化钠 硫-磷混酸 |
| 文章编号： | 1001-9642（2007）08-0056-02 |
| 修稿时间： | 2007-05-15 |
MEASUREMENT OF THE CONTENT OF Na2O IN THE ALUMINA BY USING FLAME PHOTOMETRY |
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| Nan Xiaoying,Shen Huarong. MEASUREMENT OF THE CONTENT OF Na2O IN THE ALUMINA BY USING FLAME PHOTOMETRY[J]. China Ceramics, 2007, 43(8): 56-57 |
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| Authors: | Nan Xiaoying Shen Huarong |
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| Affiliation: | Jingdezhen Ceramic Institute, Jingdezhen 333000 |
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| Abstract: | The alumina raw materials with high purity and high melting point cannot be decomposed by hydrofluoric acid (HF) or sulfuric acid (H2SO4), but can be quickly dissolved in hot sulfuric-phosphorous mixed acid solutions. It is possible to directly measure the content of Na2O in alumina with flame photometer by control of the content of the sulfuric-phosphorous mixed acid solution, and addition of identical amount of sulfuric-phosphorous mixed acid in the series of Na2O standard solution. |
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| Keywords: | Flame photometry sodium oxide (Na2O) sulfuric-phosphorous mixed acid |
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