Table T4. Shipboard X-ray fluorescence powder results for standard JSd-2. (See table notes.)
| JSd-2 | Na2O | MgO | Al2O3 | SiO2 | P2O5 | S | K2O | CaO | TiO2 | MnO | Fe2O3 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Reference material value: | |||||||||||
| Without S | 2.6 | 2.9 | 12.9 | 63.6 | 0.1 | — | 1.2 | 3.8 | 0.6 | 0.1 | 12.2 |
| With S | 2.5 | 2.8 | 12.7 | 62.7 | 0.1 | 1.4 | 1.2 | 3.8 | 0.6 | 0.1 | 12.0 |
| Average | 1.6 | 3.0 | 13.8 | 61.4 | 0.3 | 0.8 | 1.4 | 3.9 | 0.7 | 0.1 | 12.9 |
| Standard deviation (3σ, N = 30) | 0.7 | 0.2 | 0.3 | 0.5 | 0.1 | 0.02 | 0.1 | 0.1 | 0.04 | 0.1 | 0.6 |
| Replicate analyses | 2.8 | 3.2 | 14.7 | 61.7 | 0.3 | 0.7 | 1.3 | 3.5 | 0.7 | 0.1 | 11.1 |
| 2.4 | 3.2 | 14.5 | 61.5 | 0.3 | 0.7 | 1.3 | 3.6 | 0.7 | 0.1 | 11.6 | |
| 2.3 | 3.1 | 14.3 | 61.3 | 0.3 | 0.7 | 1.4 | 3.7 | 0.7 | 0.1 | 12.1 | |
| 1.7 | 3.0 | 14.2 | 62.3 | 0.3 | 0.7 | 1.3 | 3.7 | 0.7 | 0.1 | 11.9 | |
| 1.7 | 3.1 | 14.2 | 61.9 | 0.3 | 0.7 | 1.4 | 3.8 | 0.7 | 0.1 | 12.1 | |
Notes: S = sulfur. σ = standard deviation. — = not applicable.
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