Pt_ppm_ES_SQ |
Platinum, in parts per million by weight, by semi-quantitative visual 6-step or direct reader direct-current arc emission spectrography |
Pt_ppm_FA_AA |
Platinum, in parts per million by weight, by PbO fire assay and flame-atomic absorption spectrophotometry |
Pt_ppm_FA_ES |
Platinum, in parts per million by weight, by PbO fire assay and quantitative direct-current arc emission spectrography |
Pt_ppm_FA_MS |
Platinum, in parts per million by weight, by NiS fire assay and inductively coupled plasma-mass spectroscopy |
Pt_ppm_MS_AR_P |
Platinum, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after partial digestion with aqua regia |