Methods for the determination of cyclopropenoid fatty acids. IV. Application of the step-wise HBr titration method to the analysis of refined and crude cottonseed oils |
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| Authors: | J. A. Harris F. C. Magne E. L. Skau |
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| Affiliation: | (1) Southern Regional Research Laboratory, New Orleans, Louisiana |
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| Abstract: | A method is described for the determination of cyclopropenoid fatty acids in refined and crude cottonseed oils to within 0.01%.
It is based upon a stepwise hydrogen bromide titration at 3C and 55C after removal of interfering substances by adsorption
on activated alumina. Highly oxidized cottonseed oils first must be converted to methyl esters.
Presented at AOCS Meeting in Minneapolis, 1963.
So. Utiliz. Res. and Dev. Div., ARS, USDA. |
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