化学
平衡常数
苯酚
金属
配合物的稳定常数
无机化学
摩尔吸收率
酚类
物理化学
有机化学
水溶液
物理
光学
摘要
Stability constants have been measured spectrophotometrically for the 1:1 complexes of iron(III) with phenol and five derivatives in background solutions having two different compositions, 0.027 M NaClO 4 and 0 5 M KNO 3 Conditional acidity constants for these phenols in the second of these media were also determined The experimental results were treated in two different ways to obtain values of the equilibrium constants and the molar extinction coefficients of the complexes It is apparent that the equilibrium in these cases must be studied under conditions, such as low pH and low concentration of iron, which militate against good precision in the results
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