Table 3. Calibration curve regression parameters for antimony.
| Run day | Analytical run number | Slope | Intercept | R-squared | LLOQ | LOQ |
|---|---|---|---|---|---|---|
| 1 | 1 | 0.0039481 | 0.0089183 | 0.9966 | 25 | 10000 |
| 1 | 2 | 0.0038862 | 0.0082196 | 0.9979 | 25 | 10000 |
| 40 | 3 | 0.0039172 | 0.018297 | 0.9969 | 25 | 10000 |
| 68 | 4 | 0.0032206 | 0.0037602 | 0.9981 | 25 | 10000 |
| 68 | 5 | 0.0031721 | 0.0065024 | 0.9981 | 25 | 10000 |
| 75 | 6 | 0.0035459 | 0.0058869 | 0.9964 | 25 | 10000 |
| 132 | 7 | 0.00386 | 0.022976 | 0.9953 | 25 | 10000 |
| Mean | 0.0036500 | 0.0106515 | 0.9970 | |||
| SD | 0.0003376 | 0.0071493 | 0.0011 | |||
| %CV | 9.25 | 67.12 | 0.11 |
LLOQ: Lower limit of quantitation; LOQ: Limit of quantitation; SD: Standard deviation.