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Table T4. Results and standard deviations for selected standard samples run by ICP-AES, Expedition 329.

Internal precision:   2.00 2.00 2.00      
R 3 R 3 R 3
60-63 60-63 60-63
18.95 18.95 18.95
  A B C Average Uncertainty SD (%)
Major element oxide (wt%):
SiO2 49.70 49.82 49.16 49.56 0.35 0.71
Al2O3 13.03 13.28 13.18 13.17 0.12 0.94
Fe2O3(T) 14.60 14.86 14.77 14.74 0.13 0.90
MnO2 0.22 0.22 0.22 0.22 0.00 0.41
MgO 5.85 5.86 5.80 5.84 0.03 0.55
CaO 10.07 10.21 10.08 10.12 0.08 0.79
Na2O 2.74 2.80 2.79 2.78 0.03 1.24
K2O 0.37 0.37 0.37 0.37 0.00 0.37
TiO2 2.31 2.31 2.28 2.30 0.02 0.84
P2O5 0.27 0.25 0.25 0.25 0.01 4.56
Ba 22 14 — 17.93 5.21 29.06
Co 61 61 63 61.68 0.91 1.47
Cu 36 29 34 32.93 3.63 11.02
Ni 28 27 31 28.77 2.46 8.54
Sc 46 46 46 45.77 0.30 0.66
Sr 120 120 119 119.75 0.67 0.56
V 463 468 462 464.36 3.21 0.69
Zn 107 108 102 105.68 3.50 3.31
Zr 163 162 159 161.38 2.25 1.40
LOI (wt%): 0.43 0.62 0.24 0.43 0.19 44.19

Internal precision used for error bars. SD = standard deviation, — = not analyzed.

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