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Analysis methods.
| Analysis object | Analytical method | |
|---|---|---|
| SO42−(aq) | Spectrophotometry | |
| Titration | ||
| Ion chromatography | ||
| SO3(g) | Infrared spectroscopy | |
| SO2(g) | Flue gas analyzer, SO2 analyzer26, infrared, MS (Mass spectrometry) | |
| NH4+(aq) | Ammonia ion concentration meter27 | |
| Nessler's reagent spectrophotometry | ||
| Indophenol Blue Spectrophotometry28 | ||
| HSO4−(aq) | Same as SO42− after adding acid | |
| NH4HSO4 | Measure ammonium and sulfate after dissolution | |
| Infrared | NH4+ 1400,1638 cm−1 29, 145130 | |
| HSO4− 1174 cm−1 29 | ||
