Table T9. Replicate analyses of a rock standard to establish typical precision of total carbon, total nitrogen, and total sulfur contents of sediment samples, Expedition 317. (See table note.)
|
Analysis no. |
N (wt%) |
C (wt%) |
S (wt%) |
|---|---|---|---|
| 1 | 0.533 | 3.60 | 1.56 |
| 2 | 0.644 | 3.68 | 1.65 |
| 3 | 0.536 | 3.55 | 1.58 |
| 4 | 0.577 | 3.67 | 1.63 |
| 5 | 0.585 | 3.61 | 1.62 |
| 6 | 0.601 | 3.71 | 1.60 |
| 7 | 0.581 | 3.62 | 1.65 |
| 8 | 0.597 | 3.64 | 1.63 |
| 9 | 0.599 | 3.60 | 1.58 |
| 10 | 0.593 | 3.67 | 1.65 |
| Mean: | 0.58 | 3.64 | 1.62 |
| Standard deviation: | 0.032 | 0.046 | 0.032 |
| Coefficient of variation: | 0.06 | 0.01 | 0.02 |
Note: Rock standard from Weatherford Laboratories (#99986; PWDR5).
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