| 丁二肟分光光度法测定镍矿中镍的质量分数 |
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| 引用本文： | 高玉敏,刘冰.丁二肟分光光度法测定镍矿中镍的质量分数[J].铁合金,2010,41(1):37-40. |
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| 作者姓名： | 高玉敏 刘冰 |
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| 作者单位： | 中钢集团吉林铁合金股份有限公司,吉林,中国,132002 |
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| 摘 要： | 研究了镍矿中镍的质量分数(含量)的测定。以过氧化钠熔融、盐酸酸化为试料,在过硫酸铵存在下,以酒石酸钾钠掩蔽杂质,在氢氧化钠碱性介质中,用丁二酮肟与Ni~(2+)生成酒红色配合物,于波长480 nm处测其吸光度,该方法在生产中应用效果较好。
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| 关 键 词： | 丁二肟 镍 质量分数 镍矿 光度法 |
DETERMINATION OF MASS FRACTION OF NICKEL IN NICKEL ORE WITH DIMETHYLGLYOXIME SPECTROPHOTOMETRY |
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| Gao Yumin,Liu Bing.DETERMINATION OF MASS FRACTION OF NICKEL IN NICKEL ORE WITH DIMETHYLGLYOXIME SPECTROPHOTOMETRY[J].Ferro-alloys,2010,41(1):37-40. |
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| Authors: | Gao Yumin Liu Bing |
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| Affiliation: | Gao Yumin Liu Bing (Sinosteel Jilin Ferroalloys Co.,Ltd.,Jilin 132002,China) |
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| Abstract: | The paper studied the determination of mass fraction of nickel in nickel ore.Taking sodium peroxide melting, hydrochloric acid acidification as specimen,in the presence of ammonium persulfate,using sodium potassium tartaric masking impurities,in the alkaline medium of sodium hydroxide,using DMG and Ni~(2+) to generate claret coordination compound,determining absorbance at 480 nm length.This method is applied to the production and obtains a better effect. |
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| Keywords: | dimethylglyoxime nickel mass fraction nickel ore photometry |
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