Study on mean activity coefficient of 5, 1-, 15, 20-tetrakis porphyrin sodium by freezing-point depression method

Xu Ying; Wu Dingquan; Qu Songsheng

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Study on mean activity coefficient of 5, 1-, 15, 20-tetrakis porphyrin sodium by freezing-point depression method

机译：凝固点降低法研究5，1 ,, 15，20-四卟啉钠的平均活度系数

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The mean activity coefficient of 5, 10, 15, 20-tetrakis (P-methoxyl-O-sulfophenyl) porphyrin sodium in dilute aqueous solution has been determined in the modality range 0.00547-0.08871 mol.kg~-1 at 273.2K by the freez- ing-point depression method. The results of γ+-are 0.0045- 0. 7695, it is in close agreement with that by isopiestic method.

机译：在273.2K的模量范围内，通过气相色谱法测定了5,10,15,20-四（对甲氧基-O-磺基苯基）卟啉钠的平均活度系数在0.00547-0.08871 mol.kg〜-1。凝固点降低法。 γ+的结果为0.0045-0。7695，与同构方法的结果非常吻合。

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《Journal of Wuhan University of Technology》 |1997年第3期|p.48-50|共3页
作者
Xu Ying; Wu Dingquan; Qu Songsheng;
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正文语种 eng
中图分类一般工业技术;轻工业、手工业;
关键词
5, 10, 15, 20-tetrakis(p-methoxyl-o-sulfophenyl) porphyrin sodium; mean activity coefficient; freezing-point depression method;

机译：5、10、15、20-四（对甲氧基-邻磺基苯基）卟啉钠;平均活度系数凝固点降低法;

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Study on mean activity coefficient of 5, 1-, 15, 20-tetrakis porphyrin sodium by freezing-point depression method

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