IP 547: 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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  • Method adopted/last revised: 2007
  • Method reapproved: None
  • REF/ISBN: IP547-2936450
  • Status: Current
  • First printed in STM books: January 2007


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.

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