Mineral Resources On-Line Spatial Data

Aluminum, as aluminum trioxide, in weight percent, by gravimetry.

Author	Baedecker, Philip A., editor
Year	1987
Title	Methods for geochemical analysis
Series	U.S. Geological Survey Bulletin
Issue	1770
Pages	1 v.: ill.; 28 cm
URL	http://pubs.er.usgs.gov/publication/b1770
Notes	Includes bibliographies. Analytical methods used in the Geologic Division laboratories of the U.S. Geological Survey for the inorganic chemical analysis of rock and mineral samples.
Organization	USGS-BAL

Parameter	Description
Al2O3_pct_AES_AR	Aluminum, as aluminum trioxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after aqua regia digestion.
Al2O3_pct_AES_HF	Aluminum, as aluminum trioxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after multi-acid digestion with HF.
Al2O3_pct_AES_SF	Aluminum, as aluminum trioxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after sinter or fusion digestion.
Al2O3_pct_CM	Aluminum, as aluminum trioxide, in weight percent, by colorimetry.
Al2O3_pct_ES	Aluminum, as aluminum trioxide, in weight percent, by semi-quant direct-current arc emission spectrography.
Al2O3_pct_ES_Q	Aluminum, as aluminum trioxide, in weight percent, by quant direct-current arc emission spectrography.
Al2O3_pct_GV	Aluminum, as aluminum trioxide, in weight percent, by gravimetry.
Al2O3_pct_MS_HF	Aluminum, as aluminum trioxide, in weight percent, by inductively coupled plasma-mass spectroscopy after multi-acid digestion with HF.
Al2O3_pct_WDX	Aluminum, as aluminum trioxide, in weight percent, by wavelength-dispersive X-ray fluorescence spectroscopy.

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