Pure Appl. Chem., 1988, Vol. 60, No. 6, pp. 893-900
doi:10.1351/pac198860060893
CHEMISTRY AND THE ENVIRONMENT DIVISION
COMMISSION ON OILS, FATS AND DERIVATIVES
Determination of copper, iron and nickel in oils and fats by direct graphite furnace atomic absorption spectrometry: results of a collaborative study and the standardised method
P. W. Hendrikse, F. J. Slikkerveer, J. Zaalberg and A. Hautfenne