分光光度法测定25℃下水中二甲基苦味酸（2,4,6-三硝基-3,5-二甲苯酚）的电离常数
Spectrophotometric Determination of the Ionization Constant of Dimethylpicric Acid (2,4,6-Trinitro-3,5-xylenol) in Water at 25 °C.
作者信息
Davis Marion Maclean, Paabo Maya, Robinson Robert A
出版信息
J Res Natl Bur Stand A Phys Chem. 1960 Nov-Dec;64A(6):531-532. doi: 10.6028/jres.064A.054. Epub 1960 Dec 1.
Abstract
The ionization constant of dimethylpicric acid (2,4,6-trinitro-3,5-xylenol) in water at 25 °C has been determined by a spectrophotometric method. The K value 1.38 (K ≈0.042) was obtained. Potentiometric titrations, although less precise, yielded a K value of the same magnitude.
摘要
已通过分光光度法测定了二甲基苦味酸（2,4,6-三硝基-3,5-二甲苯酚）在25℃水中的电离常数。得到的K值为1.38（K≈0.042）。电位滴定法虽然精度稍低，但得到的K值大小相同。
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