Table T6. Analytical conditions for major element analysis of glass beads on the Supermini (Rigaku) X-ray fluorescence spectrometer, Expedition 348.
|
Element- line |
Filter | Crystal |
Peak angle (°) |
Count time (s) |
BG 1 angle (°) |
Count time (s) |
BG 2 angle (°) |
Count time (s) |
Detector |
|---|---|---|---|---|---|---|---|---|---|
| Na-Kα | OUT | RX25 | 47,129 | 40 | 49,450 | 10 | — | — | PC |
| Mg-Kα | OUT | RX25 | 38,802 | 40 | 35,450 | 10 | 41,550 | 10 | PC |
| Al-Kα | OUT | PET | 144,647 | 40 | 140,150 | 10 | 147,750 | 10 | PC |
| Si-Kα | OUT | PET | 108,980 | 40 | 106,000 | 10 | 119,900 | 10 | PC |
| P-Kα | OUT | PET | 89,360 | 40 | 91,550 | 10 | — | — | PC |
| K-Kα | A 140 | PET | 50,648 | 40 | 48,600 | 10 | — | — | PC |
| Ca-Kα | OUT | PET | 45,176 | 40 | 43,200 | 10 | — | — | PC |
| Ti-Kα | OUT | LiF1 | 86,138 | 20 | 87,380 | 10 | — | — | SC |
| Mn-Kα | OUT | LiF1 | 62,959 | 20 | 64,380 | 10 | — | — | SC |
| Fe-Kα | OUT | LiF1 | 57,527 | 20 | 58,820 | 10 | — | — | SC |
PC = proportional counter, SC = scintillation counter. — = no data.
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