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Atomic absorption spectrophotometry has been used for the rapid determination of various metallic and nonmetallic elements in crude and refined vegetable oils and in animal fats, many present in levels of parts per million. Various types of crude and refined vegetable oils were analyzed for Ca, Cu, Fe, Mg, Mn, P and Zn. This method of analysis has proven to be less time consuming, as accurate and more convenient than other spectroscopic techniques for elemental analyses.
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Piccolo et al. (1968) studied this question.
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