what are the procedures to make an insecticide from guyabano seeds?
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Expert's answer
2012-09-07T11:47:41-0400
A good method in this case is the extraction of the previous course of drafting seeds.Seeds should be pounded into a homogeneous mass. Must be preselected a number of solvents that will most effectively carry out the separation of substances during extraction.Another good method is a chromatographic separation of substances
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