Dear Dr.Claude

wat `s the purpose of using the ratio 2:1 with
benzene:methanol or 2:1 with hexane:methanol in the extraction of pigments from
leaf .PLZZ EXPLAIN? and why 100% acetone alone used in pigement extraction?
IF CHLOROPHYLL A & B SOLUBLE IN BOTH POLAR N NONPOLAR SOLVENTS
WHICH`S THE BEST PROCEDURE OF UNDESTRUCTIVE EXTRACTION





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