So the mixed indicator of phenolphthalein with alizarin red-methyl red could be used as the new indicator for the alkalify water determination.
采用
蓝-甲红、溴甲绿-甲基红混和指示剂的测试效果较差。
So the mixed indicator of phenolphthalein with alizarin red-methyl red could be used as the new indicator for the alkalify water determination.
采用蓝-甲红、溴甲绿-甲基红混和指示剂的测试效果较差。
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