Title: What is the general effect of increasing the proportion of ethyl acetate in the eluent on the Rf of Post by: cloveb on Jul 1, 2022 What is the general effect of increasing the proportion of ethyl acetate in the eluent on the Rf of the five analgesics studied in this lab?
Title: Re: What is the general effect of increasing the proportion of ethyl acetate in the eluent on the Rf ... Post by: bolbol on Jul 1, 2022 The general effect of increasing the proportion of ethyl acetate is increasing the Rf value (the distance travelled by spots divvied by the distance traveled by solvent). Also, because ethyl acetate is less polar, it favours the mobile phase so its move up the TLC plate which in return will increasing the Rf value.
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