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Table T9. Standards used for major and minor element bulk sediment geochemistry. (See table notes.)
|
Standard
|
Wavelength (nm)
|
BHVO-2-1
|
BIR-1-3
|
JR-2-3
|
NIST1C-1
|
SCO-1-3
|
STM-1-1
|
|
Major element oxide (%):
|
|
SIO2
|
251.611
|
49.85
|
47.77
|
75.65
|
6.84
|
62.78
|
59.64
|
|
Al2O3
|
308.215
|
13.53
|
15.35
|
12.82
|
1.3
|
13.67
|
18.39
|
|
Fe2O3 T
|
259.94
|
12.34
|
11.26
|
0.86
|
0.55
|
5.14
|
5.22
|
|
MnO2
|
257.61
|
0.2
|
0.171
|
0.11
|
0.025
|
0.05
|
0.22
|
|
MgO
|
285.213
|
7.23
|
9.68
|
0.05
|
0.42
|
2.72
|
0.101
|
|
CaO
|
393.366 or 317.933
|
11.43
|
13.24
|
0.45
|
50.3
|
2.62
|
1.09
|
|
Na2O
|
589.592
|
2.22
|
1.75
|
4.03
|
0.02
|
0.9
|
8.94
|
|
K2O
|
766.491
|
0.52
|
0.027
|
4.45
|
0.28
|
2.77
|
4.28
|
|
TiO2
|
337.28
|
2.73
|
0.96
|
0.09
|
0.07
|
0.628
|
0.135
|
|
P2O5
|
214.914
|
0.27
|
0.046
|
0.01
|
0.04
|
0.206
|
0.158
|
|
Trace element (ppm):
|
|
Ba
|
455.403
|
130
|
7
|
39
|
78
|
570
|
560
|
|
Cr
|
267.716
|
289
|
382
|
2.6
|
17.4
|
68
|
4.3
|
|
Cu
|
324.754
|
136
|
126
|
1.4
|
|
28.7
|
4.6
|
|
Sc
|
361.383
|
31.8
|
44
|
5.57
|
|
10.8
|
0.61
|
|
Sr
|
421.552 or 407.771
|
389
|
108
|
8
|
254
|
174
|
700
|
|
V
|
292.401
|
317
|
0.01
|
|
|
131
|
8.7
|
|
Y
|
360.073
|
27.6
|
16
|
51.3
|
|
26
|
46
|
|
Zr
|
339.198
|
179
|
15.5
|
97.2
|
26
|
160
|
1210
|
Notes: Standard values from Govindaraju (1994) or GeoREM database (italic). During Expedition 321, wavelengths Ca 317.933 nm and Sr 407.771 nm were used for their larger linear dynamic ranges.
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