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Journal of Dairy Science Vol. 64 No. 1 130-131
© 1981 by American Dairy Science Association ®
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Spectrophotometric Determination of Copper in Milk

Jirair V. Karapetian and Swetlana A. Badalians

Department of Toxicology and Food Chemistry, College of Pharmacy, Teheran University, Teheran, Iran

ABSTRACT

After dry ashing, copper content of milk was determined spectrophotometrically with 6-phenyl2,3-dihydro-as-trazine-3-thione. Trace elements commonly in milk did not interfere in determination. The relative standard deviation of the results was 1.16%, and the percentage recovery of added copper was 99.82%.






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Copyright © 1981 by the American Dairy Science Association ®.