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Tlc Hexane Ethyl Acetate
论薄层层析之正己烷与乙酸乙酯运用
薄层层析者，析物之法也。其中正己烷与乙酸乙酯，于析中为要。正己烷，性非极性，溶非极性物。乙酸乙酯，兼具极性与非极性之质。
二者配用，可调展剂极性。如析物极性异，当以不同比混正己烷与乙酸乙酯。若物极性弱，正己烷占比宜多，展速可快；若物极性强，乙酸乙酯比例需增，使物于板上移适。
薄层层析时，调正己烷与乙酸乙酯比例，铺板、点样、展层，观斑位，可析物纯杂、分物组。以其比调，得优析效，于化、药诸域皆广用。
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+8615371019725
Yana Yang
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