| 四溴荧光素丁基罗丹明B染料离子时的吸光性质研究 |
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| 引用本文： | 赵兴茹 刘保生. 四溴荧光素丁基罗丹明B染料离子时的吸光性质研究[J]. 光谱学与光谱分析, 1999, 19(2): 233-235 |
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| 作者姓名： | 赵兴茹 刘保生 |
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| 作者单位： | [1]河北省职工医学院 [2]河北大学 |
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| 摘 要： | 本对四溴荧光素、丁基罗丹明Ｂ各自的吸光性质以及它们的形成的离子缔合物的吸光性质进行了研究。测得四溴荧光素与丁基罗丹明Ｂ在ｐＨ７时的缔合比为１：２。其Ｋｓｐ＝２．１６×１０＾－１８。缔合物的萃取率为８３．２％。为进一步研究四溴荧光素、丁基罗丹明Ｂ的萃取光度分析奠定了理论基础。
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| 关 键 词： | 四溴荧光素 丁基罗丹明B 萃取光度法 染料离子对 |
Absorption Characteristics of the Isochromatic Dye Ion pair Formed by Tetrabromofluorescein and Buthylrhodamine B |
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| Xingru ZHAO,Liang DING Hebei Medical College for Continuing Education, Baoding Baosheng LIU and Bencheng ZUO Hebei University, Baoding. Absorption Characteristics of the Isochromatic Dye Ion pair Formed by Tetrabromofluorescein and Buthylrhodamine B[J]. Spectroscopy and Spectral Analysis, 1999, 19(2): 233-235 |
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| Authors: | Xingru ZHAO Liang DING Hebei Medical College for Continuing Education Baoding Baosheng LIU Bencheng ZUO Hebei University Baoding |
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| Affiliation: | Hebei Medical College for Continuing Education, 071000 Baoding. |
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| Abstract: | Absorption properties of tetrabromofluorescein (TBF) and buthylrhodamine B (BRB) and the isochromatic dye ion-pair formed by TBF and BRB were studied. The experiment showed that the proportion of TBF: BRB was 1:2 at pH=7 with Ksp = 2.16 x 10(-18), and the extraction rate was 84.2%. This provides a basis for the application of TBF and BRB to extraction spectrophotometry. |
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| Keywords: | Tetrabromofluorescein Buthylrhodamine B Isochromatic dye ion pair Extractrion rate |
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