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Reference for the analytical method
| 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 |
Other parameters measuring Th:
| Parameter | Description |
|---|---|
| ThCV_pct_DN | Thorium, coefficient of variance, in percent, by delayed neutron counting. |
| ThCV_pct_NA | Thorium, coefficient of variance, in percent, by neutron activation. |
| Th_ppm_AES_HF | Thorium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after multi-acid digestion with HF. |
| Th_ppm_CM | Thorium, in parts per million, by colorimetry. |
| Th_ppm_DN | Thorium, in parts per million, by delayed neutron counting. |
| Th_ppm_EDX | Thorium, in parts per million, by energy-dispersive X-ray fluorescence spectroscopy. |
| Th_ppm_ES | Thorium, in parts per million, by semi-quant direct-current arc emission spectrography. |
| Th_ppm_ES_Q | Thorium, in parts per million, by quant direct-current arc emission spectrography. |
| Th_ppm_MS_HF | Thorium, in parts per million, by inductively coupled plasma-mass spectroscopy after multi-acid digestion with HF. |
| Th_ppm_MS_P | Thorium, in parts per million, by inductively coupled plasma-mass spectroscopy after partial digestion. |
| Th_ppm_MS_SF | Thorium, in parts per million, by inductively coupled plasma-mass spectroscopy after sinter or fusion digestion. |
| Th_ppm_NA | Thorium, in parts per million, by neutron activation. |
| Th_ppm_WDX | Thorium, in parts per million, by wavelength-dispersive X-ray fluorescence spectroscopy. |
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://mrdata.usgs.gov/agdb/parameter.php?parameter=Th_ppm_ES_Q
Page Contact Information: pschweitzer@usgs.gov
Page Last modified: 13:42 on 06-Apr-2012
