So the mixed indicator of phenolphthalein with alizarin red-methyl red could be used as the new indicator for the alkalify water determination.

  • 采用百里酚蓝-甲酚红、溴甲酚绿-甲基红混和指示剂的测试效果较差。

  • 互联网摘选 2025-01-19 23:53:42

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