Research Article
Direct Quantitative Analysis of Arsenic in Coal Fly Ash
Table 3
Optimization of the furnace program for the analysis of raw coal (liquid sampling system).
| Integration
time (s) | Pyrolysis
temperature(s) | Rate
(°C s−1) | Hold time
(s) | Ar gas
(L min−1) | Atomizer temperature
(°C) | Rate
(°C s−1) | Hold time
(s) | Ar gas
(L min−1) | Correlation
coefficients |
| | 4.5 | 1200 | 100 | 60 | Max | 2600 | 1000 | 4 | Mid | 0.9705 | | 6.0 | 1500 | 100 | 30 | Max | 2500 | 1000 | 6 | Stop | 0.9960 |
|
|
Mid: 1.0 L min−1, Max: 2.0 L min−1.
|
