| meso-四(2-羟基-5-磺酸苯基)卟啉的合成及其酸碱平衡的研究 |
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| 引用本文： | 陈秀华,汤福隆,杨雪梅. meso-四(2-羟基-5-磺酸苯基)卟啉的合成及其酸碱平衡的研究[J]. 分析化学, 1991, 19(4): 427-429 |
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| 作者姓名： | 陈秀华 汤福隆 杨雪梅 |
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| 作者单位： | 杭州大学化学系 杭州310028 |
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| 摘 要： | 本文对 meso-四(2-H-5-SP)P 的提纯方法进行了改进,同时以光度法研究了该试剂在水溶液中的酸碱平衡、测得其 pKa_1、pKa_2、pKa_3、pKa_4分别为2.99,4.21,8.68,10.28。
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| 关 键 词： | meso-四(2-羟基-5-磺酸苯基)卟啉 酸碱平衡 |
Synthesis of meso-Tetra(2-hydrox-5-sulphophenyl)porphyrin and Study on Its Acid-Base Equilibrium |
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| Chen Xiuhua Tang Fulong Yang Xuemei. Synthesis of meso-Tetra(2-hydrox-5-sulphophenyl)porphyrin and Study on Its Acid-Base Equilibrium[J]. Chinese Journal of Analytical Chemistry, 1991, 19(4): 427-429 |
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| Authors: | Chen Xiuhua Tang Fulong Yang Xuemei |
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| Abstract: | The method for synthesis of meso-tetra (2-hydrox-5-sulphophenyl) porphyrin [T(2-H-5-SP)P] and its acid-base equilibrium in aqueous solution have been studied.The ionization constants of T(2-H-5-SP)p were determined by using spectrophotometric method in aqueous solution.The pKa_1,pKa_2,pKa_3 and pKa_4 are 2.99,4.21,8.68 and 10.28 respectively. |
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| Keywords: | meso-Tetra(2-hydrox-5-sulphophenyl)porphyrin Acid-base equilibrium |
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