Food contact materials for export-Polymers-Determination of chromium,zirconium,vanadium and hafnium in polytene and polypropylene-Inductively coupled plasma atomic emission spectrometry
Chemical analysis method for the imported and exported gypsum and gypsum products - Part 9:Determination of lead,cadmium,chromium,arsenic,mercury,copper,zinc,manganese,nickel,cobalt-Inductively coupled plasma mass spectrometry