Table 3 Components used in additive error calculation.
| Â | CO 2 | N 2 | CH 4 |
|---|---|---|---|
Blank (current (amps), 1 sigma s.d.) | 2.98e−12 | 3.37e−11 | 1.50e−12 |
Uncertainty in gas composition from standard | 2% | 0 | 2% |
Interference | 0 | 4% of CO2 | 0 |
Analytical error | 0.5% | 0.5% | 0.5% |
Error in linear range | 1.0% | 1.0% | 1.0% |
Background instrument noise (1-sigma) | Specific to analysis | Specific to analysis | Specific to analysis |
Conversion current to mols | 5.04% | 5.04% | 5.04% |
