• 本文二苯碳酰分光光度法测定地表水及工业废水六价铬样品预处理方法提出改进措施。

    In this paper, the preparatory treatment for determination of Cr6+ in ground water or industrial effluents by the method of spectrophotometry has been improved.

    youdao

  • 本文二苯碳酰分光光度法测定地表水及工业废水六价铬样品预处理方法提出改进措施。

    In this paper, the preparatory treatment for determination of Cr6+ in ground water or industrial effluents by the method of spectrophotometry has been improved.

    youdao

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