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潘教麦, 刘少民. 铁—磺基水杨酸—二甲氧基羟基苯基荧光酮—TritonX—100体系的光度研究 …[J]. 岩矿测试, 1999, (2): 120-123.
引用本文: 潘教麦, 刘少民. 铁—磺基水杨酸—二甲氧基羟基苯基荧光酮—TritonX—100体系的光度研究 …[J]. 岩矿测试, 1999, (2): 120-123.
shu
Study on Multi-component Complex of Fe-Sulphosalicylic Acid-DMH-PF-Triton X-100 by Spectrophotometric Method and Its Analytical Application[J]. Rock and Mineral Analysis, 1999, (2): 120-123.
Citation: Study on Multi-component Complex of Fe-Sulphosalicylic Acid-DMH-PF-Triton X-100 by Spectrophotometric Method and Its Analytical Application[J]. Rock and Mineral Analysis, 1999, (2): 120-123.
shu

铁—磺基水杨酸—二甲氧基羟基苯基荧光酮—TritonX—100体系的光度研究 …

Study on Multi-component Complex of Fe-Sulphosalicylic Acid-DMH-PF-Triton X-100 by Spectrophotometric Method and Its Analytical Application

    摘要
  • 摘要: 研究了在表面活性剂存在下，铁与新显色剂二甲氧基羟基苯基荧光酮（ＤＭＨＰＦ）的显色反应。在ｐＨ９．０～１０．５的氨性介质中，有磺基水杨酸（Ｓａｌ）存在下，形成Ｆｅ３＋ＳａｌＤＭＨＰＦＴｒｉｔｏｎＸ１００四元混配配合物，其最大吸收峰在５９０ｎｍ，测定波长选择６１０ｎｍ，表观摩尔吸光系数分别为１．３×１０５Ｌ·ｍｏｌ－１·ｃｍ－１和９．４×１０４Ｌ·ｍｏｌ－１·ｃｍ－１。配合物组成比ｎＦｅ３＋∶ｎＤＭＨＰＦ＝１∶２，Ｆｅ３＋的质量浓度为０～６００μｇ／Ｌ时符合比尔定律。以直接光度法测定工业硅和石灰

     

    Abstract: The color reaction of Fe3 with a new chromogenic agent dimethoxyhydroxyphenylflurone (DMHPF) has been investigated in presence of surfactants. The Fe3 SalDMHPFTritonX100 quaternary complex is formed in the medium of NH3H2O at pH 9.010.5 in presence of su

     

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