| Al2O3_pct_AES_AR_P |
Aluminum, as aluminum trioxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after partial digestion with aqua regia |
| Al2O3_pct_AES_Fuse |
Aluminum, as aluminum trioxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after LiBO2 or LiBO2-Li2B4O7 fusion |
| Al2O3_pct_AES_HF |
Aluminum, as aluminum trioxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after HF-HCl-HNO3-HClO4 digestion |
| Al2O3_pct_AES_ST |
Aluminum, as aluminum trioxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after Na2O2 sinter digestion |
| Al2O3_pct_CM_Fuse |
Aluminum, as aluminum trioxide, in weight percent, by spectrophotometry after NaOH or LiBO2-Li2B4O7 fusion |
| Al2O3_pct_ES_Q |
Aluminum, as aluminum trioxide, in weight percent, by quantitative direct-current arc emission spectrography |
| Al2O3_pct_ES_SQ |
Aluminum, as aluminum trioxide, in weight percent, by semi-quantitative visual 6-step or direct reader direct-current arc emission spectrography |
| Al2O3_pct_GV_Acid |
Aluminum, as aluminum trioxide, in weight percent, by gravimetric classic or standard rock analysis after acid digestion |
| Al2O3_pct_MS_HF |
Aluminum, as aluminum trioxide, in weight percent, by inductively coupled plasma-mass spectroscopy after HF-HCl-HNO3-HClO4 digestion |
| Al2O3_pct_WDX_Fuse |
Aluminum, as aluminum trioxide, in weight percent, by wavelength-dispersive X-ray fluorescence spectroscopy after LiBO2 or LiBO2-Li2B4O7 fusion |
