Hafnium, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after partial digestion with aqua regia
| Parameter | Description |
|---|---|
| Hf_ppm_ES_SQ | Hafnium, in parts per million by weight, by semi-quantitative visual 6-step or direct reader direct-current arc emission spectrography |
| Hf_ppm_MS_AR_P | Hafnium, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after partial digestion with aqua regia |
| Hf_ppm_MS_HF | Hafnium, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after HF-HCl-HNO3-HClO4 digestion |
| Hf_ppm_MS_ST | Hafnium, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after Na2O2 sinter digestion |
| Hf_ppm_MS_ST_REE | Hafnium, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after Na2O2 sinter digestion, REE package |
| Hf_ppm_NA | Hafnium, in parts per million by weight, by neutron activation |