• Selenium element in teas can be determined by catalytic kinetic spectrophotometry.

    采用催化动力学光度法对茶叶的含量进行了分析测定。

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  • 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.

    结果研究了该催化褪色反应最佳条件动力学性质,建立了负催化光度法测定微量方法。

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  • The chromogenic reagents which used for ascertaining platinum by conventional spectrophotometry and catalytic kinetic spectrophotometry in recent years were inducted.

    近年来常规光度法测定催化光度法测定所用的色剂进行了归纳,重点介绍了常规光度法所用的三类色剂。

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  • 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-甲基溶液褪色反应,提出了一种使用动力学方法测量氯气含量的方法;

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  • 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-甲基溶液褪色反应,提出了一种使用动力学方法测量氯气含量的方法;

    youdao

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