Determination of trace amounts of copper in palm oil by differential-pulse anodic-stripping voltammetry
Abstract
A method is described for the determination of copper in palm oil by differential-pulse anodic-stripping voltammetry after dry ashing. Only a few grams of sample are needed and the relative standard deviation is about 3% for oils with copper contents less than 100 p.p.b. (parts per 109).