References
- Jacobsberg , B. , Deldime , P. and Gapor , Abdul . in preparation
- Waltking , A. E. , Kierman , V. and Bleffert , C. W. 1977 . J. Ass. Offic. Anal. Chem. , 60 : 890
- Hendrikse , P. W. in preparation
- Emmerie , A. and Engel , C. 1938 . Nature , 142 : 873
- Cospito , M. , Raspi , G. and Luarini , L. 1969 . Anal. Chim. Acta , 47 : 388
- Analytical Methods Committee . 1959 . Analyst , 84 : 356
- Bunnell , R. H. 1971 . Lipids , 6 : 245
- Smith , L. I. , Spillane , L. J. and Kolthoff , I. M. 1942 . J. Amer. Chem. Soc. , 64 : 447
- IUPAC Section of Oils, Fats and Derivates, Tocopherol study group (private communication)
- Atuma , S. S. and Lindquist , J. 1973 . Analyst , 98 : 886
- Atuma , S. S. 1975 . J. Sci. Food Agr. , 26 : 393
- McBride , H. D. and Evans , D. H. 1973 . Anal. Chem. , 45 : 446