Can anyone explain the PRISMA model for chromatography solvent selection?

31 March 2020 0 6K Report

If for instance the chosen best 3 solvents with respective solvent strengths are dichloromethane(3.1), ethyl acetate(4.4), chloroform(4.1) how to calculate how much hexane to add to adjust all polarities to the 3.1 strength of dichloromethane?

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