| 二溴苯基萤光酮-阳离子表面活性剂荧光熄灭法测定微量铌 |
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| 引用本文： | 赛音,清格勒图.二溴苯基萤光酮-阳离子表面活性剂荧光熄灭法测定微量铌[J].分析化学,1989(6). |
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| 作者姓名： | 赛音 清格勒图 |
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| 作者单位： | 内蒙古大学化学系 呼和浩特 |
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| 摘 要： | 本文研究了铌—二溴苯基萤光酮—阳离子表面活性剂三元体系的荧光特性,提出了以二溴苯基萤光酮-溴化十六烷基三甲铵荧光熄灭法测定铌的新方法。该方法的选择性和重现性好,采用适当的掩蔽剂,测定了铁矿中的微量铌,获得满意的结果。
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| 关 键 词： | 铌 二溴苯基萤光酮 荧光光度法 |
MICRODETERMINATION OF NIOBIUM BY FLUORESCENCE QUENCHING METHOD WITH DIBROMOPHENYLFLUORONECETYLTRIMETHYLAMMONIUM BROMIDE |
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| Sai Yin Qing Ge Le Tu.MICRODETERMINATION OF NIOBIUM BY FLUORESCENCE QUENCHING METHOD WITH DIBROMOPHENYLFLUORONECETYLTRIMETHYLAMMONIUM BROMIDE[J].Chinese Journal of Analytical Chemistry,1989(6). |
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| Authors: | Sai Yin Qing Ge Le Tu |
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| Abstract: | A method has been developed for microdetermination of niobium based on the fluorescence quenching effect of Br-PF-CTMAB due to formation of a nonfluorimetric complex NbBr-PF-CTMAB. This method is applicable to the microdetermination of Nb in iron Ores. |
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| Keywords: | Niobium Dibromophenylfluorone Spectrofluorimetry |
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