SRM | GSS-1 | |||
Element | Certified | Calculated | ||
Average | St Dev (2 sigma) | Rel St Dev (%) | ||
K (%) | 2.15 | 2.156 | 0.156 | 7.2 |
Ca (%) | 1.229 | 1.181 | 0.094 | 8.0 |
Ti (%) | 0.485 | 0.462 | 0.035 | 7.7 |
Fe (%) | 3.63 | 3.675 | 0.191 | 5.2 |
V | 86 | 102.7 | 36.3 | 35.4 |
Cr | 62 | 66.7 | 17.9 | 26.8 |
Mn | 1781 | 1750.7 | 115.6 | 6.6 |
Ni | 20.4 | 23.4 | 6.4 | 27.5 |
Cu | 21 | 24.5 | 6.6 | 27.0 |
Zn | 680 | 672.8 | 43.3 | 6.4 |
Ga | 19.3 | 17.8 | 2.6 | 14.6 |
As | 33.5 | 32.7 | 6.2 | 19.1 |
Rb | 140 | 143.7 | 8.8 | 6.1 |
Sr | 155 | 162.7 | 10.0 | 6.2 |
Y | 25 | 25.8 | 2.4 | 9.5 |
Zr | 245 | 244.4 | 19.0 | 7.8 |
Pb | 98 | 108.9 | 11.1 | 10.2 |
Th | 11.6 | 11.2 | 2.1 | 18.4 |
Ba | 590 | 585.5 | 35.9 | 6.1 |
La | 34 | 30.4 | 5.4 | 17.9 |
Ce | 70 | 67.1 | 5.1 | 7.7 |
Nd | 28 | 27.9 | 3.5 | 12.7 |