Methods for chemical analysis of zinc concentrates—Part 21:Determination of thallium content—Inductively coupled plasma mass spectrometry and inductively coupled plasma-atomic emission spectrometry
Methods for chemical analysis ofcopper magnetite-Part 13:Determination of mercury content-Solid sampling and direct mercury analysis method and cold vapour atomic absorption spectrometry
Methods for chemical analysis of lead concentrates—Part 13:Determination of thallium content—Inductively coupled plasma mass spectrometry and inductively coupled plasma-atomic emission spectrometry