Fat and oil derivatives. Fatty acid methyl ester (FAME). Determination of Ca, K, Mg and Na content by optical emission spectral analysis with inductively coupled plasma (ICP OES)
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This document specifies a procedure for the direct determination of the soap building
elements Calcium (Ca), Magnesium (Mg), Sodium (Na) and Potassium (K) in fatty acid
methyl esters (FAME) by ICP OES at levels of about 1 mg/kg to 10 mg/kg.