Table T34. Shipboard ICP-AES analyses for BAS-148 and new interlaboratory standard BAS-206.
ICP run
2
2
2
3
3
4
4
5
5
6
6
Average
Standard deviation
Precision
(%)
BAS-148













Major element (wt%):












SiO2 47.78 48.80 48.38 50.34 49.85 50.39 49.75 50.92 50.19 49.31 48.73 49.50 0.98 1.97
TiO2 0.90 0.91 0.95 0.82 0.90 0.97 0.95 0.93 0.99 0.93 0.94 0.93 0.05 4.90
Al2O3 15.22 15.67 16.02 15.63 15.68 15.59 15.73 15.37 14.91 15.52 15.61 15.54 0.29 1.88
Fe2O3 11.63 9.71 9.68 9.77 10.52 9.83 9.88 9.74 10.10 10.12 10.11 10.10 0.57 5.62
MnO 0.18 0.16 0.15 0.15 0.16 0.15 0.16 0.15 0.16 0.15 0.16 0.16 0.01 5.23
MgO 9.35 8.90 9.26 8.23 7.58 7.76 8.17 8.39 8.50 8.25 8.72 8.46 0.56 6.61
CaO 12.55 13.43 13.10 12.71 12.83 13.14 13.08 12.18 12.69 13.34 13.35 12.95 0.39 2.99
Na2O 2.09 2.27 2.25 2.06 2.17 2.00 2.09 2.10 2.18 2.15 2.10 2.13 0.08 3.75
K2O 0.05 0.05 0.06 0.11 0.17 0.04 0.04 0.06 0.09 0.13 0.10 0.08 0.04 51.29
P2O5 0.14 0.00 0.05 0.07 0.00 0.04 0.06 0.07 0.08 0.00 0.08 0.05 0.04 79.49
Trace element (ppm):












Sc 46.1 41.9 42.8 44.7 45.3 44.2 43.7 42.4 44.0 45.3 45.3 44.2 1.4 3.08
V 302 301 276 288 288 292 291 295 305 295 295 293 8 2.71
Cr 343 402 404 371 637 339 336 323 307 370 347 354 32 9.01
Ni 152 140 151 103 131 106 116 116 118 110 113 123 18 14.22
Sr 75.6 78.7 75.1 80.3 85.1 73.7 74.3 77.4 77.1 70.4 70.2 76.2 4.3 5.64
Y 26.0 26.1 25.5 25.3 25.9 22.7 23.0 25.3 26.9 24.0 27.8 25.3 1.6 6.18
Zr 47.4 57.3 46.7 40.9 50.5 53.1 50.0 47.0 49.4 47.3 51.6 49.2 4.2 8.56
Nb 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.4 0.4 0.0 0.0 0.1 0.2 215.85
Ba 0.0 0.0 0.0 7.2 12.3 0.0 0.0 71.3 6.3 0.0 0.0 8.6 3.2 37.75
BAS-206













Major element (wt%):












SiO2 49.68 49.04 51.30 49.14 49.26 49.20 49.02 50.08 49.44 49.76 48.89 49.53 0.69 1.39
TiO2 2.04 2.13 2.11 2.01 1.96 2.04 2.07 1.79 2.00 2.23 2.08 2.04 0.11 5.48
Al2O3 14.30 14.21 14.22 14.11 14.22 14.25 14.55 14.10 14.22 13.94 14.34 14.22 0.15 1.08
Fe2O3 13.70 14.55 12.82 14.92 14.49 14.10 14.32 14.57 14.89 14.47 14.45 14.30 0.59 4.15
MnO 0.24 0.23 0.20 0.22 0.22 0.22 0.21 0.22 0.22 0.23 0.22 0.22 0.01 4.33
MgO 7.12 6.86 6.26 6.82 6.86 6.96 6.70 6.77 6.69 6.63 6.81 6.77 0.22 3.20
CaO 9.71 9.71 9.86 9.60 9.86 10.02 9.92 9.30 9.21 9.46 10.06 9.70 0.28 2.91
Na2O 2.77 2.83 2.84 2.71 2.70 2.75 2.79 2.72 2.93 2.81 2.72 2.78 0.07 2.56
K2O 0.18 0.18 0.16 0.21 0.20 0.16 0.15 0.19 0.17 0.19 0.21 0.18 0.02 11.45
P2O5 0.17 0.15 0.14 0.16 0.15 0.21 0.17 0.17 0.12 0.18 0.13 0.16 0.03 16.14
Trace element (ppm):












Sc 42.8 43.2 34.3 48.1 47.3 53.6 49.0 49.3 48.8 50.2 50.6 47.0 5.2 11.13
V 493 471 400 436 451 463 467 491 448 477 475 461 27 5.80
Cr 82.6 88.0 76.3 78.2 81.7 88.3 78.3 83.7 73.1 96.3 94.5 83.7 7.4 8.84
Ni 53.7 60.2 50.3 51.7 47.9 53.1 50.7 46.6 61.4 55.9 56.8 53.5 4.7 8.86
Sr 109 111 111 118 119 106 113 115 115 106 111 112 4 3.79
Y 43.9 43.5 37.0 47.6 44.6 42.6 43.8 46.0 45.5 40.4 47.0 43.8 3.0 6.94
Zr 127 128 120 132 131 126 132 124 124 129 120 127 4 3.34
Nb 5.3 5.9 5.4 4.7 4.6 4.7 4.9 9.9 9.2 5.0 5.2 5.1 0.4 8.24
Ba 55.4 40.8 54.7 54.4 48.6 51.8 50.7 47.5 45.6 20.2 32.3 49.9 4.8 9.65

Notes: ICP-AES = inductively coupled plasma-atomic emission spectroscopy. Values in bold are excluded from statistical calculations. This table is also available in ASCII.