| 铽-亚氨基二乙酸-钛铁试剂-表面活性剂荧光体系的研究 |
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| 引用本文： | 朱贵云,杨景和,徐世瑶,牛衍涛.铽-亚氨基二乙酸-钛铁试剂-表面活性剂荧光体系的研究[J].高等学校化学学报,1986,7(2):121. |
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| 作者姓名： | 朱贵云 杨景和 徐世瑶 牛衍涛 |
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| 作者单位： | 山东大学化学系 |
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| 摘 要： | 本文研究了表面活性剂对于Tb(Ⅲ)-亚氨基二乙酸-钛铁试剂荧光体系的增敏作用,在表面活性剂CTMAB参与下,形成的四元离子缔合物的荧光强度比没有CTMAB时增加12倍,确定了测定的最佳条件,Tb3+浓度在6.4×10-4μg/ml-0.32pg/ml范围内符合比耳定律,100倍过量的十一种稀土离子,600倍过量的10种常见阳离子和1000倍过量的七种常见阴离子不干扰测定。
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| 收稿时间： | 1984-10-18 |
A Study on Fluorescence System of Terbium- Imino Diacetric Acid-Tiron-Surfactant |
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| Zhu Guiyun,Yang Jinghe,Xu Shiyao,Niu Yantao.A Study on Fluorescence System of Terbium- Imino Diacetric Acid-Tiron-Surfactant[J].Chemical Research In Chinese Universities,1986,7(2):121. |
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| Authors: | Zhu Guiyun Yang Jinghe Xu Shiyao Niu Yantao |
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| Institution: | Department of Chemistry, Shandong University, Jinan |
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| Abstract: | The tetrabasic ion associate formed by terbium with imino diacetric acid, tiron and surfactant can been used as the basis of a spectrofluorimetric determination of terbium. The sensitivity of it was 12 times as high as that with absence of surfactant CTMAB.The influence of 10 surfactant and 7 complexones on fluorescence intensity was also studied. |
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