Determination of trace amounts of copper and zinc in edible fats and oils by acid extraction and atomic absorption spectrophotometry.
D003300:Copper / Q000032:analysis*; D009821:Oils / Q000032:analysis*; D013054:Spectrophotometry, Atomic; D014131:Trace Elements / Q000032:analysis; D014675:Vegetables / Q000032:analysis; D015032:Zinc / Q000032:analysis*
D009821:Oils; D014131:Trace Elements; D003300:Copper; D015032:Zinc