| 新试剂7-(苯并噻唑-2-偶氮)-8-羟基喹啉-5-磺酸的合成及与钴显色反应的研究 |
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| 引用本文： | 张国文,朱志怀.新试剂7-(苯并噻唑-2-偶氮)-8-羟基喹啉-5-磺酸的合成及与钴显色反应的研究[J].理化检验(化学分册),1998(11). |
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| 作者姓名： | 张国文 朱志怀 |
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| 作者单位： | 南昌大学食品科学与工程系 南昌330047 |
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| 摘 要： | 报道了新试剂7-(苯并噻唑-2-偶氮)-8-羟基喹啉-5-磺酸(BTHQSA)的合成方法,研究了该试剂与钴显色反应情况.结果表明,在pH3.94乙酸-乙酸钠、乳化剂OP存在下,Co-BTHQSA-OP配合物最大吸收波长为582nm,表观摩尔吸光系数ε_(582)=-5.7×10~4,钴的含量在0～12μg/25ml内,服从比耳定律.
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| 关 键 词： | 7-(苯并噻唑-2-偶氰)-8-羟基喹啉-5-磺酸 钴 显色反应 |
STUDY ON THE SYNTHESIS OF A NEW CHROMOGENIC REAGENT-BTHQSA AND ITS REACTION WITH COBALT |
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| Zhang Guowen and Zhu Zhihuai.STUDY ON THE SYNTHESIS OF A NEW CHROMOGENIC REAGENT-BTHQSA AND ITS REACTION WITH COBALT[J].Physical Testing and Chemical Analysis Part B:Chemical Analgsis,1998(11). |
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| Authors: | Zhang Guowen and Zhu Zhihuai |
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| Institution: | Zhang Guowen and Zhu ZhihuaiDepartment of Food Science and Engineering,Nanchang University,Nanchang 330047 |
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| Abstract: | |
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| Keywords: | 7-(benzothiazoyl-2-azo)-8-hydroxyquinoline-5-sulfonic acid Cobalt Spectrophotometry |
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