指示剂的变色原理酸碱指示剂(AcidIndicator)： 酸碱指示剂(Acid-base Indicator)：酸碱 (Acid 滴定中, 滴定中,通过颜色的变化来指示滴定终点的试 剂称为酸碱指标剂。 剂称为酸碱指标剂。
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... 工业纯 industrial pure 酸、碱指示剂 acid-base indicator 甲基橙指示剂 methyl orange indicator ...
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以上来源于: WordNet
A white or pale yellow crystalline powder, C20H14O4, used as an acid-base indicator, in making dyes, and in medicine as a laxative.
苯酚酞一种白色或淡黄色的晶体粉末，c20h14o4，用作酸性指示。
A white or pale yellow crystalline powder, C20H 14o 4, used as an acid-base indicator, in making dyes, and in medicine as a laxative.
一种白色或淡黄色的晶体粉末，C20 H 14o 4，用作酸性指示剂，用于制染料，并在医学上用作一种轻泻剂。
Discussed a reason discoloration range of acid-base indicator function reason in a text book, pointed out some discoloration reason problems in the book.
探讨了一本教材中关于酸碱指示剂作用原理的理论变色范围探讨，指出了该教材在理论变色范围推论中存在的问题。
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