AGDB measured parameter: K2O_pct_AES_ST

Potassium, as potassium oxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after Na2O2 sinter digestion

Reference for the analytical method

Author Taggart, Joseph E., editor
Year 2002
Title Analytical methods for chemical analysis of geologic and other materials, U.S. Geological Sur
Series U.S. Geological Survey open-file report 02-223
URL http://pubs.usgs.gov/of/2002/ofr-02-0223/
Notes Title from PDF title screen (viewed on Oct. 21, 2003). Updates Open-file report 96-525. Includes bibliographical references. Mode of access: Internet. System requirements: Adobe Acrobat Reader (available free).
Organization USGS-BGC

Other parameters measuring K2O

Parameter Description
K2O_pct_AA_FE Potassium, as potassium oxide, in weight percent, by flame emission spectroscopy after multi-acid digestion with HF, or after LiBO2-Li2B4O7 fusion
K2O_pct_AA_F_Fuse Potassium, as potassium oxide, in weight percent, by flame-atomic absorption spectrophotometry after LiBO2-Li2B4O7 fusion
K2O_pct_AA_F_HF Potassium, as potassium oxide, in weight percent, by flame-atomic absorption spectrophotometry after multi-acid digestion with HF
K2O_pct_AES_AR_P Potassium, as potassium oxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after partial digestion with aqua regia
K2O_pct_AES_Fuse Potassium, as potassium oxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after LiBO2 or LiBO2-Li2B4O7 fusion
K2O_pct_AES_HF Potassium, as potassium oxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after HF-HCl-HNO3-HClO4 digestion
K2O_pct_AES_ST Potassium, as potassium oxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after Na2O2 sinter digestion
K2O_pct_ES_Q Potassium, as potassium oxide, in weight percent, by quantitative direct-current arc emission spectrography
K2O_pct_ES_SQ Potassium, as potassium oxide, in weight percent, by semi-quantitative visual 6-step or direct reader direct-current arc emission spectrography
K2O_pct_MS_HF Potassium, as potassium oxide, in weight percent, by inductively coupled plasma-mass spectroscopy after HF-HCl-HNO3-HClO4 digestion
K2O_pct_NA Potassium, as potassium oxide, in weight percent, by neutron activation
K2O_pct_WDX_Fuse Potassium, as potassium oxide, in weight percent, by wavelength-dispersive X-ray fluorescence spectroscopy after LiBO2 or LiBO2-Li2B4O7 fusion