Mixtures of flavors and fragrances were separated on silica gel sheets, employing toluene/ethyl acetate (90:10) as the solvent. Constituents were located using alkaline potassium permanganate and 2,4-dinitrophenylhydrazine.
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Lynch, Mary Anne; Gloffke, Wendy; Rauner, Richard A. J. Chem. Educ.1995 72 1137.
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