Method of Analysis at the U.S. Geological Survey California Water Science Center, Sacramento Laboratory – Determination of Haloacetic Acid Formation Potential, Method Validation, and Quality-Control Practices
Barbara C. Zazzi, Kathryn L. Crepeau, Miranda S. Fram and Brian A. Bergamaschi
Table 3
Gas chromatograph with electron capture detector components and specifications.
Components | Specifications |
---|
Column | Rtx-5 30-meter x 0.25 millimeter internal diameter with 0.25 micrometer film thickness |
---|
Carrier gas | Nitrogen at 1 milliliter per minute flow at 40ºC |
---|
Oven | 40ºC for 15 minutes, |
---|
| 40-110ºC at 7ºC/minute, |
| 110-250ºC at 20ºC/minute |
Injector | Split 10:1, 200ºC |
---|
Detector | Electron capture at 300ºC |
---|