AGDB measured parameter: K_pct_AES_ST

Potassium, 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 K

Parameter Description
K_meq100g_AA_F_CX_P Potassium, in milliequivalents per 100 grams, by flame-atomic absorption spectrophotometry after partial digestion and cation exchange
K_meqL_AA_F_H2O_P Potassium, in milliequivalent grams per liter, by flame-atomic absorption spectrophotometry after solution extraction
K_pct_AA_FE Potassium, in weight percent, by flame emission spectroscopy after multi-acid digestion with HF, or after LiBO2-Li2B4O7 fusion
K_pct_AA_F_Fuse Potassium, in weight percent, by flame-atomic absorption spectrophotometry after LiBO2-Li2B4O7 fusion
K_pct_AA_F_HF Potassium, in weight percent, by flame-atomic absorption spectrophotometry after multi-acid digestion with HF
K_pct_AES_AR_P Potassium, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after partial digestion with aqua regia
K_pct_AES_Fuse Potassium, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after LiBO2 or LiBO2-Li2B4O7 fusion
K_pct_AES_HF Potassium, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after HF-HCl-HNO3-HClO4 digestion
K_pct_AES_ST Potassium, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after Na2O2 sinter digestion
K_pct_ES_Q Potassium, in weight percent, by quantitative direct-current arc emission spectrography
K_pct_ES_SQ Potassium, in weight percent, by semi-quantitative visual 6-step or direct reader direct-current arc emission spectrography
K_pct_MS_AR_P Potassium, in weight percent, by inductively coupled plasma-mass spectroscopy after partial digestion with aqua regia
K_pct_MS_HF Potassium, in weight percent, by inductively coupled plasma-mass spectroscopy after HF-HCl-HNO3-HClO4 digestion
K_pct_NA Potassium, in weight percent, by neutron activation
K_pct_WDX_Fuse Potassium, in weight percent, by wavelength-dispersive X-ray fluorescence spectroscopy after LiBO2 or LiBO2-Li2B4O7 fusion