| 一阶导数光谱法测定指示剂类多元酸离解常数 |
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| 引用本文： | 张淑芳 秦梅. 一阶导数光谱法测定指示剂类多元酸离解常数[J]. 分析化学, 1998, 26(8): 931-934 |
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| 作者姓名： | 张淑芳 秦梅 |
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| 作者单位： | 曲阜师范大学化学系!曲阜273165 |
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| 摘 要： | 研究了铬天青Ｓ在不同ＰＨ缓冲溶液中的吸收光谱及一阶导数光谱，并据此拟定出一个测定各有离解常数的方法，推导出计算公式。测定方法简单，结果与文献值比较令人满意。
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| 关 键 词： | 导数光谱法 铬天青S 离解常数 多元酸 测定 |
Determination of Dissociation Constants of Chrome Azurol S by the First Derivative Spectrophotometry |
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| Zhang Shufang,Qin Mei. Determination of Dissociation Constants of Chrome Azurol S by the First Derivative Spectrophotometry[J]. Chinese Journal of Analytical Chemistry, 1998, 26(8): 931-934 |
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| Authors: | Zhang Shufang Qin Mei |
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| Abstract: | A new method for the determination of dissociation consents of chrome azurol S is proposed based on its first derivative spectra in buffer solution of different pH. The calculation formula are developed. The method is simple and the determination results are satisfactory. |
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| Keywords: | Derivative spectrophotometry dissociation constant chrome azurol S |
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