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单词 analytical chemistry
释义

analytical chemistry

noun
The branch of chemistry concerned with the identification and measurement (by chemical or instrumental means) of the constituents of a substance, or of particular components (e.g. contaminants) within it.

Origin

Mid 18th century; earliest use found in Peter Shaw (1694–1763), physician and author.

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更新时间:2024/12/22 22:59:01