The optimum active composition and preparing process was obtained by treating naphthol green B and eriochrome black T wastewater.
通过对萘酚绿和铬黑T两种废水的处理实验研究寻求最佳的活性组分和制备工艺。
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滴定钙镁时，该探头能灵敏地响应酸性铬蓝K萘酚绿B混合指示剂的颜色变化，从而实现了自动光度滴定。
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