• The optimum active composition and preparing process was obtained by treating naphthol green B and eriochrome black T wastewater.

    通过对萘绿T两种废水的处理实验研究寻求最佳活性组分制备工艺

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  • The photometric probe is sensitive to the color change of acid chrome K and naphthol green B mixed indicator when Ca 2+ and Mg 2+ are titrated with EDTA.

    应用于EDTA滴定探头灵敏地响应酸性K绿B混合指示剂颜色变化,从而实现了自动光度滴定。

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  • The photometric probe is sensitive to the color change of acid chrome K and naphthol green B mixed indicator when Ca 2+ and Mg 2+ are titrated with EDTA.

    应用于EDTA滴定探头灵敏地响应酸性K绿B混合指示剂颜色变化,从而实现了自动光度滴定。

    youdao

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