| Fe_pct_AA_F_DTPA_P |
Iron, in weight percent, by flame-atomic absorption spectrophotometry after DTPA partial extraction |
| Fe_pct_AES_AR_P |
Iron, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after partial digestion with aqua regia |
| Fe_pct_AES_Fuse |
Total iron, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after LiBO2 or LiBO2-Li2B4O7 fusion |
| Fe_pct_AES_HF |
Total iron, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after HF-HCl-HNO3-HClO4 digestion |
| Fe_pct_AES_ST |
Total iron, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after Na2O2 sinter digestion |
| Fe_pct_CM_Fuse |
Ferric iron, in weight percent, by spectrophotometry after NaOH or LiBO2-Li2B4O7 fusion |
| Fe_pct_CM_HF |
Total iron, in weight percent, by spectrophotometry after HF-H2SO4-HNO3 digestion |
| Fe_pct_ES_Q |
Total iron, in weight percent, by quantitative direct-current arc emission spectrography |
| Fe_pct_ES_SQ |
Total iron, in weight percent, by semi-quantitative visual 6-step or direct reader direct-current arc emission spectrography |
| Fe_pct_MS_AR_P |
Iron, in weight percent, by inductively coupled plasma-mass spectroscopy after partial digestion with aqua regia |
| Fe_pct_MS_HF |
Total iron, in weight percent, by inductively coupled plasma-mass spectroscopy after HF-HCl-HNO3-HClO4 digestion |
| Fe_pct_NA |
Total iron, in weight percent, by neutron activation |
| Fe_pct_WDX_Fuse |
Total iron, in weight percent, by wavelength-dispersive X-ray fluorescence spectroscopy after LiBO2 or LiBO2-Li2B4O7 fusion |
| FeTO3_pct_AA_F_DTPA_P |
Iron, as iron oxide, in weight percent, by flame-atomic absorption spectrophotometry after DTPA partial extraction |
