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简单介绍：
氨水氨气检测管3DL NH3 Ammonia，Measuring Range 0.1 to 10 ppm Sampling Hours 1 to10 hours Detecting Limit 0.02 ppm (10 hours)氨水氨气检测管价格，氨水氨气检测管3DL NH3 Ammonia
详情介绍：
氨水氨气检测管3DL NH3 Ammonia Ammonia No.3DL
NH3
| Performance |
Measuring Range | 0.1 to 10 ppm |
Sampling Hours | 1 to10 hours |
Detecting Limit | 0.02 ppm (10hours) |
Color Change | Pink → Yellow |
Reaction Principle | 2NH3 + H2SO4 → (NH4)2SO4 |
| Coefficient ofVariation | 10%(for 1 to 10 ppm-hr) |
| ShelfLife | 2 Year |
| Correctionsfor temperature & humidity | Temperature correction isnecessary |
| Store the tubes atcool and dark place. | |
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Interference | Change colour byitself to |
Amines | + | Yellow |
| Hydrazine | + |
Yellow |
| Othersubstance measurable with this detectortube |
Substance | CorrectionFactor | SamplingTime | MeasuringRange |
Methyl amine | 1.9 | 1 to10 hours | 0.19to 19 ppm |
Trimethylamine | 2.3 | 1 to 10 hours | 0.23to 23 ppm |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 25 ppm | 35ppm | 15 to28% |