|
EPA method |
Injection volume μL
|
Detection limit (μg/L) |
| |
|
|
Ultrapure water |
Drinking water* |
| Conductivity detection with chemical suppression
|
300.1 |
100 |
0.130 |
0.390 |
| IC/MS coupling; MS detection
|
– |
100 |
0.006 |
0.007 |
| Post-column derivatization with o-dianisidine; VIS detection
|
317.0 |
100 |
0.210 |
0.640 |
| Post-column derivatization with KI; UV detection
|
326.0 |
1000 |
0.032 |
0.066 |
*Drinking water matrix: 100 mg/L of each chloride, sulfate, and carbonate