• 方法超声技术提取沙枣中的鞣质络合滴定法测定其含量

    Methods tannin was extracted by the ultrasonic technology and content of tannin was determined by the method of complex titration.

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  • 方法:采正交实验法老鹳草鞣质的提取工艺进行优选,以总鞣质含量指标EDTA络合滴定

    The content of total tannin was chosen as the assessment index, and the EDTA complexometric titration was used for the measurement.

    youdao

  • 提出试剂羧酸指示剂络合滴定测定降水离子,在自然条件下终点的观察即顺利进行

    Using the ca reagent carboxylic acid na as the indicator for the determination of calcium ion in the rain was reported. The whole experiment can be carried out under the natural condition.

    youdao

  • EDTA络合滴定分析镀层含量

    In this paper, the analysis of tin and nickel content in rifle colour coating with EDTA complex titrimetry is introudced.

    youdao

  • 方法络合滴定测定鞣质含量氨基酸自动分析仪测定氨基酸含量。

    Methods: The contents of tannin were determined by complexometry and that of amino acids by amino analyzer.

    youdao

  • 方法络合滴定测定鞣质含量氨基酸自动分析仪测定氨基酸含量。

    Methods: The contents of tannin were determined by complexometry and that of amino acids by amino analyzer.

    youdao

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