A new indicator reaction is developed on the basis of manganese-catalyzed oxidation of rhodamine B by potassium periodate with nitrilotriacetic acid as an activator.
本文研究了用氨三乙酸作活化剂锰催化高碘酸钾氧化罗丹明B褪色的新指示反应。
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。
It the B-D method transforms the brief index into detailed index and it is used for determining the most moderate indicator system.
提出了从概要指标到细化指标的确定指标体系的B - D方法，它有助于寻找系统全面详细而精简得当的指标体系。
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