Table T5. Analytical conditions for major element analysis of glass beads, Expedition 331.
|
Element line |
Filter | Crystal | Peak angle (°) |
Count time (s) |
BG 1 (°) |
Count time (s) |
BG 2 (°) |
Count time (s) | Detector |
|---|---|---|---|---|---|---|---|---|---|
| Si-Kα | Out | PET |
108.946
|
40
|
106.100
|
10
|
111.250
|
10
|
PC
|
| Ti-Kα | Out | LiF1 |
86.155
|
20
|
85.240
|
10
|
87.120
|
10
|
SC
|
| Al-Kα | Out | PET |
144.607
|
40
|
147.150
|
10
|
140.400
|
10
|
PC
|
| Fe-Kα | Out | LiF1 |
57.535
|
20
|
58.180
|
10
|
56.900
|
10
|
SC
|
| Mn-Kα | Out | LiF1 |
62.997
|
20
|
62.200
|
10
|
63.820
|
10
|
SC
|
| Ca-Kα | Out | PET |
45.154
|
40
|
43.650
|
10
|
PC
|
||
| Mg-Kα | Out | RX25 |
38.804
|
40
|
40.750
|
10
|
36.900
|
10
|
PC
|
| Na-Kα | Out | RX25 |
47.125
|
40
|
49.000
|
10
|
45.250
|
10
|
PC
|
| K-Kα | A 140 | PET |
50.632
|
40
|
49.200
|
10
|
PC
|
||
| P-Kα | Out | PET |
89.280
|
40
|
91.350
|
10
|
87.200
|
10
|
PC
|
Analyses performed on the Supermini (Rigaku) X-ray fluorescence spectrometer. BG = background angle. PC = flow-proportioned counter, SC = scintillation counter.
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