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GSC electron microprobe (17 oxides) (#1)



GSC electron microprobe 17 oxides + total

General Methodology:

Mineral analyses were acquired on a Cameca SX-50 microprobe fitted with 4 wavelength-dispersive spectrometers, with a take-off angle of 40 degrees.  The operating conditions were 20kV accelerating voltage and 10nA current, using a focused beam.  Count times were 10 seconds on peak and 5 seconds off-peak.   The ZAF matrix correction program used was that of Armstrong (1988).  Reference standards used were a mixture of natural and synthetic pure metals, simple oxides and simple compounds.

Detection limits are not given in the original laboratory reports, but have been inferred, based on the analytical results.

Reference:

Armstrong, J.T. (1988). Quantitative analysis of silicates and oxide minerals: Comparison of Monte-Carlo, ZAF and Phi-Rho-Z procedures.  Microbeam Analysis, p 239-246.

Instrument:

Sample material: solid

Sample weight: unstated


Analytical Technique:

Hierarchical classification

Technique >> Spectroscopy >> Electromagnetic radiation >> X-ray >> Emission >> Microprobe >> Electron

Children

None


Analytical Decomposition:

Hierarchical classification

Decomposition >> None

Children

None


Analytical Methods:

IndexMethod OrderMethod IDQuantityDetection Limit
1  1347     Al2O3  0.001
2  1348     As2O3  0.001
3  1349     CaO  0.001
4  1350     CoO  0.001
5  1351     Cr2O3  0.001
6  1352     FeO  0.001
7  1353     K2O  0.001
8  1354     MgO  0.001
9  1355     MnO  0.001
10  10  1356     Na2O  0.001
11  11  1357     Nb2O5  0.001
12  12  1358     NiO  0.001
13  13  1359     SiO2  0.001
14  14  1360     SO3  0.001
15  15  1361     TiO2  0.001
16  16  1362     V2O3  0.001
17  17  1363     ZnO  0.001
18  18  1364     Total 

Associated Analytical Packages:

IndexPackage IDPackage Name
1  2     GSC electron microprobe (17 oxides) (#1)
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