摘要
本文报导二苯并18—冠—6．双苦胺与钾离子形成三元络合物萃取到有机丁进行分光度法测定钾。表观摩尔吸光系数为4x10^4。
Abstract: A new method of extractive-photometric determination of trace potassium with dibcnro 18-crown-6 and dipicrylainc is described. The molar absorptivity approaches to 4x 104(420nm). The method has been applied in the de-termination of K+in ground water, rock, soil and plant samples.
出处
《武汉工程大学学报》
CAS
1991年第1期35-40,共6页
Journal of Wuhan Institute of Technology
