For organic liquid dye preparation to be used in cosmetic formulations
Suggest to use not denaturated ethanol (since this is one of the solvents that are allowed/accepted) for cosmetic applications
Thank you Johan for the suggestion.
I need to preserve termite samples for future quantification of juvenile hormone in their bodies. Or extract the Juvenile Hormone and keep that samples stored for future quantification. I may need...
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Dear colleagues: I have received many emails from a magazine called ournal of Research in Humanities and Social Science. I have gone to the website of this journal, and I read "some" indexes but,...
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The resultant solid was partitioned three times with 250 ml of petroleum ether (40-60/c) to remove any fatty material and evaporated to dryness.
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