Mineral Resources On-Line Spatial Data

Calcium, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after sinter or fusion digestion.

Parameter	Description
Ca_meqgL_AA_P_XC	Calcium, in milliequivalent grams per liter, by flame-atomic absorption spectrophotometry after partial digestion, cation exchange capacity.
Ca_meqgL_AA_P_XS	Calcium, in milliequivalent grams per liter, by flame-atomic absorption spectrophotometry after solution extraction.
Ca_pct_AA	Calcium, in weight percent, by flame-atomic absorption spectrophotometry.
Ca_pct_AES_AR	Calcium, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after aqua regia digestion.
Ca_pct_AES_HF	Calcium, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after multi-acid digestion with HF.
Ca_pct_AES_SF	Calcium, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after sinter or fusion digestion.
Ca_pct_CM	Calcium, in weight percent, by colorimetry.
Ca_pct_ES	Calcium, in weight percent, by semi-quant direct-current arc emission spectrography.
Ca_pct_ES_Q	Calcium, in weight percent, by quant direct-current arc emission spectrography.
Ca_pct_GV	Calcium, in weight percent, by gravimetry.
Ca_pct_MS_HF	Calcium, in weight percent, by inductively coupled plasma-mass spectroscopy after multi-acid digestion with HF.
Ca_pct_MS_P	Calcium, in weight percent, by inductively coupled plasma-mass spectroscopy after partial digestion.
Ca_pct_WDX	Calcium, in weight percent, by wavelength-dispersive X-ray fluorescence spectroscopy.

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U.S. Department of the Interior | U.S. Geological Survey
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Page Last modified: 13:42 on 06-Apr-2012