Table 2.
Standard reference material numbera | Particle loading (mg mL−1) | ||
---|---|---|---|
| |||
0.002 m2 mL−1 | 0.001 m2 mL−1 | 0.000125 m2 mL−1 | |
1635 | 1.117 | 0.559 | 0.0698 |
2682b | 0.405 | 0.202 | 0.0253 |
2692b | 1.482 | 0.741 | 0.0926 |
2684b | 0.948 | 0.474 | 0.0593 |
2685b | 1.163 | 0.581 | 0.0727 |
National Institute of Standards and Technology standard reference material numbers.