The decolorization of five kinds of azo dyes-azo blue, eriochrome black T, arsenazo III, acid chrome blue K and methyl orange,and one kind of quinoid dye-alizarine red with potassium ferrate are studied.
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美
- 研究了高铁酸钾对偶氮蓝、铬黑 T、偶氮胂 III、酸性铬蓝 K和甲基橙 5种偶氮染料及一种醌类染料茜素红的脱色作用 .;结果表明 :除偶氮蓝、酸性铬蓝 K外;其它 4种染液均可在 30分钟内达到 95%25以上的脱色率