单词	atomic absorption spectroscopy
释义	atomic absorption spectroscopy noun variants or less commonly atomic absorption spectrometry : a method of spectroscopy that relies on the absorption of specific frequencies of light by atoms in order to identify the chemical composition of a sample To fully characterize the composition, we determined the Li, Na and Mn contents by atomic absorption spectroscopy after dissolving the sample in dilute hydrochloric acid. Jaekook Kim, Nature, 20 Nov. 1997 called also absorption spectroscopy Word History First Known Use 1957, in the meaning defined above
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