Detection Principle
Under alkaline conditions, using trisodium citrate as a masking agent, ammonia and ammonium ions in the water sample react with salicylate and hypochlorous acid ions in the presence of sodium nitroprusside. The absorbance of the resulting product is detected at a specific wavelength. According to Lambert Beer's law, there is a linear correlation between the ammonia nitrogen content in water and the absorbance, and the ammonia nitrogen concentration in water can be obtained.
| Model | AME-3010 |
| Parameter | Ammonia nitrogen |
| Measuring Range | 0-10mg/L and 0-50mg/L, Dual-range automatic switching, expandable |
| Test Period | ≤45min |
| Indication Error | ±5% or ±0.03mg/L（Take the larger one） |
| Limit of quantitation | ≤0.15mg/L（Indication error: ±30%） |
| Repeatability | ≤2% |
| Low level drift in 24h(30mg/L) | ≤0.02mg/L |
| High level drift in 24h(160mg/L) | ≤1%F.S. |
| Power Supply | 220V±10% |
| Product size | 430*300*800mm |
| Communication | RS232、RS485、4-20mA |
Characteristics
1.The analyzer is miniaturization in size, which is convenient for daily maintenance;
2. High-precision photoelectric metering and detection technology are used to adapt to various complex water bodies;
3.Dual range (0-10mg/L)and (0-50mg/L) satisfy most of the water quality monitoring requirements. The range can also be extended according to the actual situation;
4. Fixed-point, periodic, maintenance and other measurement modes satisfy the requirements of measurement frequency;
5.Reduces the operation and maintenance costs by low consumption of reagents;
6.4-20mA,RS232/RS485andothercommunicationmethodssatisfy thecommunication requirements;
Applications
This analyzer is mainly used for real-time monitoring of ammonia nitrogen (NH3N) concentration in surface water, domestic sewage and industrial wastewater.
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