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The specific gravity of "soap" oil is determined. "Soap" oil is obtained by extraction with a solvent from the cake which remains after the first two pressings. One third of our total consumption of fats and oils is for non-food uses. Eighteen percent of this non-food uses of oil is for soap
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Credit lineThe specific gravity of "soap" oil is determined. "Soap" oil is obtained by extraction with a solvent from the cake which remains after the first two pressings. One third of our total consumption of f. 1942-01-01. Lee, Russell. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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