Monday, 11 July 2016

experimental chemistry - Why should one perform an extraction with multiple small portions of solvent as opposed to one large portion?


I'm performing a liquid-liquid extraction on a 1 l water sample for GC analysis. The procedure calls for three extractions with 50 ml of dichloromethane. Would one extraction with 150 ml produce a different result?




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readings - Appending 内 to a company name is read ない or うち?

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