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单词 phenolphthalein
释义
Phenolphthalein
nnoun.artifacta laxative used in many preparations under various trade names; also used as an acid-base indicator in titrations involving weak acids and strong bases because it is brilliant red at high alkalinity and colorless below pH 8
Hypernyms:acid-base indicator laxative
Inherited Hypernyms:phenolphthaleinacid-base indicatorindicatorcoloring materialmaterialsubstancematterphysical entityentity
Inherited Hypernyms:phenolphthaleinacid-base indicatorindicatorcoloring materialmaterialsubstancepartrelationabstractionentity
Inherited Hypernyms:phenolphthaleinlaxativepurgativemedicinedrugagentcausal agentphysical entityentity
Inherited Hypernyms:phenolphthaleinlaxativepurgativemedicinedrugagentsubstancematterphysical entityentity
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更新时间:2024/12/31 23:05:01