[化] 显色反应

chromogenic reaction的用法和样例：

例句

The new concept of supermolecule color reaction is proposed for the first time.首次提出超分子显色反应的概念。
Color reaction with acetylacetone is used to determine the formaldehyde content in fabrics.织物中甲醛的测定大多采用乙酰丙酮的显色反应。

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aurin tricar-boxylic acid

axillary excision