NB/SH/T 0992-2019
Standard test method for determination of Na,K,Ca and Mg in fatty acid methyl ester by inductively coupled plasma optical emission spectrometry (ICP-OES)
UNE 84066:1987
COSMETIC RAW MATERIALS. SEPARATION OF FATTY ACIDS FROM METAL STEARATES
BS EN 14538:2006
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)
DIN EN 14538
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)