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DIN EN 14538:2025
Fat and oil derivatives - Fatty acid methyl ester (FAME) - Determination of Ca, Mg, Na, K and P content by optical emission spectral analysis with inductively coupled plasma (ICP OES); German version EN 14538:2025
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.
Deutsches Institut für Normung [din]