Ammonia Standard Solution with 50 mg/L NH₃-N for quality control checks with TNT837 Ammonia vial test. LCA503 is also suitable for quality checks with the Amtax sc Ammonium analyzer.
| Concentration | 50 mg/L NH₃-N |
| Parameter | Ammonia |
| Quantity | 100 mL |
| Storage Conditions | 15 – 25 °C (protect from light) |

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