Ta_ppm_AA_F_HF |
Tantalum, in parts per million by weight, by flame-atomic absorption spectrophotometry after multi-acid digestion with HF |
Ta_ppm_AES_HF |
Tantalum, in parts per million by weight, by inductively coupled plasma-atomic emission spectroscopy after HF-HCl-HNO3-HClO4 digestion |
Ta_ppm_ES_SQ |
Tantalum, in parts per million by weight, by semi-quantitative visual 6-step or direct reader direct-current arc emission spectrography |
Ta_ppm_MS_AR_P |
Tantalum, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after partial digestion with aqua regia |
Ta_ppm_MS_HF |
Tantalum, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after HF-HCl-HNO3-HClO4 digestion |
Ta_ppm_MS_ST |
Tantalum, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after Na2O2 sinter digestion |
Ta_ppm_MS_ST_REE |
Tantalum, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after Na2O2 sinter digestion, REE package |
Ta_ppm_NA |
Tantalum, in parts per million by weight, by neutron activation |