7. Abbreviations and acronyms

AOAC: Association of Official Analytical Chemists , a non-profit organization tasked with carrying out standardization work for the US government, such as the US Food and Drug Administration.

EIL: inter-laboratory study by inter-laboratory comparison

ICP-MS: inductively coupled plasma mass spectrometry

IUPAC: International Union of Pure and Applied Chemistry, an international, non-governmental learned society whose aim is to promote the various aspects of the chemical sciences worldwide.

MRC: certified reference material; reference material, accompanied by a certificate, of which one or more property values are certified by a procedure that establishes its connection to an exact realization of the unit (the certified value is accompanied...