I want to remove lipids from the DCM extract of soil and plant samples for the analysis of PAHs. For this I can not use Conc. sulfuric acid as these compounds are sensitive to possible sulfonation.
use n hexane extraction of crude product .first .than proceed as per your requirement
and also ether can be used.
chloroform and methanol (bligh and dyer method) can also be used to extract the lipids.
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