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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 W:
| Parameter | Description |
|---|---|
| WCV_pct_NA | Tungsten, coefficient of variance, in percent, by neutron activation. |
| W_ppm_AES_AR | Tungsten, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after aqua regia digestion. |
| W_ppm_AES_HF | Tungsten, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after multi-acid digestion with HF. |
| W_ppm_AES_IE | Tungsten, in parts per million, by inductively coupled plasma-atomic emission spectroscopy-ion exchange. |
| W_ppm_AES_P | Tungsten, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after partial digestion/leach. |
| W_ppm_CM | Tungsten, in parts per million, by colorimetry. |
| W_ppm_CM_P | Tungsten, in parts per million, by colorimetry after partial digestion. |
| W_ppm_EDX | Tungsten, in parts per million, by energy-dispersive X-ray fluorescence spectroscopy. |
| W_ppm_ES | Tungsten, in parts per million, by semi-quant direct-current arc emission spectrography. |
| W_ppm_ES_Q | Tungsten, in parts per million, by quant direct-current arc emission spectrography. |
| W_ppm_MS_HF | Tungsten, in parts per million, by inductively coupled plasma-mass spectroscopy after multi-acid digestion with HF. |
| W_ppm_MS_P | Tungsten, in parts per million, by inductively coupled plasma-mass spectroscopy after partial digestion. |
| W_ppm_MS_SF | Tungsten, in parts per million, by inductively coupled plasma-mass spectroscopy after sinter or fusion digestion. |
| W_ppm_NA | Tungsten, in parts per million, by neutron activation. |
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://mrdata.usgs.gov/agdb/parameter.php?parameter=W_ppm_ES_Q
Page Contact Information: pschweitzer@usgs.gov
Page Last modified: 13:42 on 06-Apr-2012
