Na_meq100g_AA_F_CX_P |
Sodium, in milliequivalents per 100 grams, by flame-atomic absorption spectrophotometry after partial digestion and cation exchange |
Na_meqL_AA_F_H2O_P |
Sodium, in milliequivalent grams per liter, by flame-atomic absorption spectrophotometry after solution extraction |
Na_pct_AA_FE |
Sodium, in weight percent, by flame emission spectroscopy after multi-acid digestion with HF, or after LiBO2-Li2B4O7 fusion |
Na_pct_AA_F_Fuse |
Sodium, in weight percent, by flame-atomic absorption spectrophotometry after LiBO2-Li2B4O7 fusion |
Na_pct_AES_AR_P |
Sodium, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after partial digestion with aqua regia |
Na_pct_AES_Fuse |
Sodium, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after LiBO2 or LiBO2-Li2B4O7 fusion |
Na_pct_AES_HF |
Sodium, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after HF-HCl-HNO3-HClO4 digestion |
Na_pct_ES_Q |
Sodium, in weight percent, by quantitative direct-current arc emission spectrography |
Na_pct_ES_SQ |
Sodium, in weight percent, by semi-quantitative visual 6-step or direct reader direct-current arc emission spectrography |
Na_pct_MS_AR_P |
Sodium, in weight percent, by inductively coupled plasma-mass spectroscopy after partial digestion with aqua regia |
Na_pct_MS_HF |
Sodium, in weight percent, by inductively coupled plasma-mass spectroscopy after HF-HCl-HNO3-HClO4 digestion |
Na_pct_NA |
Sodium, in weight percent, by neutron activation |
Na_pct_WDX_Fuse |
Sodium, in weight percent, by wavelength-dispersive X-ray fluorescence spectroscopy after LiBO2 or LiBO2-Li2B4O7 fusion |