Selenium element in teas can be determined by catalytic kinetic spectrophotometry.
采用催化动力学光度法对茶叶中硒的含量进行了分析测定。
Results The optimum condition and kinetic parameters are investigated in detail, a new negative catalytic spectrophotometry for determination of trace calcium in environmental water was established.
结果研究了该负催化褪色反应的最佳条件及动力学性质,建立了负催化光度法测定微量钙的新方法。
The chromogenic reagents which used for ascertaining platinum by conventional spectrophotometry and catalytic kinetic spectrophotometry in recent years were inducted.
对近年来铂的常规光度法测定和催化光度法测定所用的显色剂进行了归纳,重点介绍了常规光度法所用的三类显色剂。
A new kinetic spectrophotometry method to determine chlorine in atmosphere was described. The method based on the reaction between chlorine and acidic KBr-methyl orange solution.
基于氯气可以使酸性溴化钾-甲基橙溶液褪色的反应,提出了一种使用动力学方法测量氯气含量的新方法;
A new kinetic spectrophotometry method to determine chlorine in atmosphere was described. The method based on the reaction between chlorine and acidic KBr-methyl orange solution.
基于氯气可以使酸性溴化钾-甲基橙溶液褪色的反应,提出了一种使用动力学方法测量氯气含量的新方法;
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