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单词 gas chromatograph
释义

gas chromatograph


gas chromatograph

n. An instrument used in gas chromatography to separate a sample of a volatile substance into its components.

gas chromatograph


gas chromatograph

[¦gas krō′mad·ə‚graf] (analytical chemistry) The instrument used in gas chromatography to detect volatile compounds present; also used to determine certain physical properties such as distribution or partition coefficients and adsorption isotherms, and as a preparative technique for isolating pure components or certain fractions from complex mixtures.
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