Table T10. Estimates of accuracy and precision for JY2000 ICP-AES trace element analyses.
| Sample run or replicate | Date (Dec 1999) |
Trace element (ppm) | ||||||
|---|---|---|---|---|---|---|---|---|
| Zr | Y | Sr | Ni | Cr | Ba | Sc | ||
| MW8801-17-26 (whole rock)* | 88.1 | 28.7 | 115 | 104 | 433 | 3.2 | 37.1 | |
| Leg 187A | 1 | 88.9 | 29.8 | 103.3 | 90.1 | 389.7 | 2.4 | |
| Leg 187C | 3 | 88.9 | 29.8 | 103.3 | 90.1 | 389.7 | 2.4 | |
| Leg 187D.a | 8 | 86.4 | 30.2 | 99.3 | 85.5 | 381.5 | 3.4 | 37.0 |
| Leg 187D.b | 8 | 87.4 | 30.0 | 103.9 | 83.4 | 405.8 | 3.4 | 37.0 |
| Leg 187E.a | 13 | 84.8 | 29.7 | 102.5 | 99.6 | 371.9 | 2.8 | 36.4 |
| Leg 187E.b | 13 | 83.9 | 30.1 | 103.3 | 99.0 | 357.9 | 3.0 | 36.9 |
| Leg 187E.c | 13 | 84.0 | 30.1 | 103.5 | 100.7 | 366.1 | 3.0 | 36.6 |
| Leg 187E.d | 13 | 85.6 | 30.2 | 106.8 | 97.7 | 392.2 | 2.7 | 37.4 |
| Leg 187F.a | 14 | 84.3 | 30.0 | 102.4 | 97.5 | 391.2 | 3.5 | 35.3 |
| Leg 187F.b | 14 | 82.3 | 30.1 | 101.0 | 95.2 | 375.8 | 3.7 | 35.9 |
| Leg 187G.a | 17 | 85.2 | 29.5 | 101.3 | 94.3 | 363.0 | 3.6 | 37.3 |
| Leg 187G.b | 17 | 84.5 | 31.1 | 101.5 | 92.0 | 355.3 | 3.4 | 38.9 |
| Leg 187H.a | 20 | 90.8 | 29.7 | 104.5 | 99.3 | 381.1 | 3.9 | 36.9 |
| Leg 187H.b | 20 | 90.6 | 30.8 | 106.3 | 95.5 | 349.1 | 3.8 | 38.4 |
| Leg 187H.c | 20 | 81.8 | 29.0 | 103.9 | 102.9 | 383.1 | 3.8 | 33.6 |
| Leg 187I.a | 26 | 82.8 | 31.3 | 107.4 | 87.7 | 342.8 | 2.9 | 36.1 |
| Leg 187I.b | 26 | 89.0 | 30.1 | 103.4 | 94.3 | 364.8 | 2.9 | 37.3 |
| Average: | 86.0 | 30.1 | 103.4 | 94.4 | 374.2 | 3.2 | 36.7 | |
| 1 SD: | 2.9 | 0.6 | 2.1 | 5.6 | 17.3 | 0.5 | 1.3 | |
| %RSD: | 3.3 | 1.9 | 2.0 | 5.9 | 4.6 | 15.2 | 3.4 | |
| BHVO-2 | ||||||||
| Published value | 179 | 27.6 | 389 | 121 | 289 | 130 | 32 | |
| ± | 11 | 2 | 23 | 7 | 19 | 13 | 1 | |
| Leg 187C | 3 | 172.6 | 26.9 | 391.0 | 109.2 | 276.2 | 138.3 | |
| Leg 187D | 8 | 175.8 | 26.4 | 395.1 | 102.3 | 281.9 | 132.1 | 30.3 |
| Leg 187E.a | 13 | 170.3 | 26.8 | 407.6 | 111.0 | 282.7 | 141.5 | 30.6 |
| Leg 187E.b | 13 | 173.8 | 26.7 | 406.8 | 115.7 | 283.2 | 141.4 | 30.8 |
| Leg 187E.c | 13 | 170.4 | 26.9 | 406.1 | 117.5 | 290.1 | 144.9 | 30.9 |
| Leg 187E.d | 13 | 171.3 | 26.4 | 412.6 | 115.1 | 305.9 | 143.4 | 30.8 |
| Leg 187F.a | 14 | 170.5 | 26.4 | 397.6 | 116.6 | 298.8 | 139.3 | 30.1 |
| Leg 187F.b | 14 | 169.5 | 27.2 | 401.8 | 120.3 | 280.5 | 142.3 | 30.8 |
| Leg 187G.a | 17 | 173.5 | 26.1 | 394.2 | 118.7 | 277.5 | 135.8 | 32.1 |
| Leg 187G.b | 17 | 187.8 | 29.3 | 400.0 | 125.4 | 287.7 | 137.6 | 31.5 |
| Leg 187H.a | 20 | 176.6 | 26.1 | 403.1 | 107.6 | 279.7 | 140.9 | 31.5 |
| Leg 187H.b | 20 | 178.5 | 26.0 | 409.3 | 132.9 | 286.1 | 141.5 | 32.5 |
| Leg 187H.c | 20 | 141.0 | 23.1 | 376.6 | 123.9 | 305.8 | 131.4 | 25.4 |
| Leg 187I.a | 26 | 170.6 | 27.3 | 414.1 | 110.8 | 272.5 | 141.7 | 31.8 |
| Average: | 171.6 | 26.5 | 401.1 | 116.2 | 286.3 | 139.4 | 30.7 | |
| 1 SD: | 10.0 | 1.3 | 9.9 | 8.0 | 10.5 | 4.0 | 1.8 | |
| %RSD: | 5.9 | 4.8 | 2.5 | 6.9 | 3.7 | 2.9 | 5.7 | |
Notes: These estimates are derived from replicate analyses of the USGS reference standard BHVO-2 and Zone A SEIR whole-rock basalt sample MW8801-17-26, Leg 187. * = D. Pyle and D. Christie (unpubl. data). SD = standard deviation; RSD = relative standard deviation. This table is also available in ASCII format.