Chemistry, 07.12.2019 03:31, djfluffyman999

You are performing a gradient elution and are instructed to begin with a low polarity solvent (petroleum ether) and continue to increase solvent polarity with mtbe. why are the mobile phases added in order of increasing polarity rather than in the order of decreasing polarity?

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You are performing a gradient elution and are instructed to begin with a low polarity solvent (petro...