|
Parameter
|
Cameca Camebax
|
Cameca SX-50 | |||
|---|---|---|---|---|---|
|
Sulfides
|
Oxides
|
Sulfides
|
Gold
|
Oxides
|
|
| Take-off angle (°) | 40 | 40 | 40 | 40 | 40 |
| Acceleration voltage (keV) | 20 | 15 | 20 | 20 | 15 |
| Beam current (nA) | 30 | 20 | 30 | 30 | 20 |
| Beam size (µm) | 1 | 1 | 1 | 1 | 1 |
| Standards: | Pure metal for Au, Ag, Cu, and CdSynthetic FeS2 and ZnS | MgO, albite, apatite, MnTi, Cr2O3, and Fe2O3 | Arsenopyrite, pyrite, pure Co, pentlandite, chalcopyrite, sphalerite, NIST AuAg80 alloy, stibnite, galena, AuAg40, and Bi2Se3 | Pure Au and Cu, AuAg20, and cinnabar | Pure synthetic oxides of Cu, Ti, V, Cr, Mg, and AlSynthetic MnTiO3; gahnite (Zn); bustamite (Si). |
Note: Analyses performed at Instituto Geológico Mineiro (IGM), Portugal, and University of Toronto, Canada.