Gold, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after partial digestion with aqua regia
| Parameter | Description |
|---|---|
| Au_ppm_AA_F_HBr | Gold, in parts per million by weight, by flame-atomic absorption spectrophotometry after HBr-Br2 digestion |
| Au_ppm_AA_F_HF | Gold, in parts per million by weight, by flame-atomic absorption spectrophotometry after multi-acid digestion with HF and HBr-Br2 |
| Au_ppm_AA_GF_HBr | Gold, in parts per million by weight, by graphite furnace-atomic absorption spectrophotometry after HBr-Br2 digestion |
| Au_ppm_AA_GF_HF | Gold, in parts per million by weight, by graphite furnace-atomic absorption spectrophotometry after multi-acid digestion with HF and HBr-Br2 |
| Au_ppm_AES_AR_P | Gold, in parts per million by weight, by inductively coupled plasma-atomic emission spectroscopy after partial digestion with aqua regia |
| Au_ppm_AES_AZ_P | Gold, in parts per million by weight, by inductively coupled plasma-atomic emission spectroscopy after partial digestion with H2O2-HCl leach and DIBK extract |
| Au_ppm_AES_HF | Gold, in parts per million by weight, by inductively coupled plasma-atomic emission spectroscopy after HF-HCl-HNO3-HClO4 digestion |
| Au_ppm_ES_Q | Gold, in parts per million by weight, by quantitative direct-current arc emission spectrography |
| Au_ppm_ES_SQ | Gold, in parts per million by weight, by semi-quantitative visual 6-step or direct reader direct-current arc emission spectrography |
| Au_ppm_FA_AA | Gold, in parts per million by weight, by PbO fire assay and flame-atomic absorption spectrophotometry |
| Au_ppm_FA_DC | Gold, in parts per million by weight, by PbO fire assay and direct current plasma-atomic emission spectroscopy |
| Au_ppm_FA_ES | Gold, in parts per million by weight, by PbO fire assay and quantitative direct-current arc emission spectrography |
| Au_ppm_FA_MS | Gold, in parts per million by weight, by NiS fire assay and inductively coupled plasma-mass spectroscopy |
| Au_ppm_MS_AR_P | Gold, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after partial digestion with aqua regia |
| Au_ppm_MS_HF | Gold, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after HF-HCl-HNO3-HClO4 digestion |
| Au_ppm_NA | Gold, in parts per million by weight, by neutron activation |