英语词汇“brown-ring test”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	brown-ring test
释义	brown-ring test brown-ring test [′brau̇n‚riŋ ‚test] (analytical chemistry) A common qualitative test for the nitrate ion; a brown ring forms at the juncture of a dilute ferrous sulfate solution layered on top of concentrated sulfuric acid if the upper layer contains nitrate ion.
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