3HM 氨气气体检测管3HM Ammonia NH3
具体成交价以合同协议为准
- 公司名称 上海仪在机电科技有限公司
- 品牌
- 型号 3HM
- 产地
- 厂商性质 经销商
- 更新时间 2015/7/1 21:10:00
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氨气气体检测管3HM Ammonia NH3
的详细介绍
氨气气体检测管3HM Ammonia NH3
Ammonia No.3HM
NH3
| Performance |
| MeasuringRange | 0.05 to 1.6% | 1.6 to 3.52% |
| Number of Pump Strokes | 1 | 1/2 |
| CorrectionFactor | 1 | 2.2 |
| SamplingTime | 1 minute per pumpstroke | |
| DetectingLimit | 0.01% （n=1） | |
| ColorChange | Pink → Yellow | |
| ReactionPrinciple | 2NH3 + H2SO4 → （NH4）2SO42NH3 + H2SO4 → （NH4）2SO4 | |
| Coefficient ofVariation | 10% （for0.05 to 0.4 %）, 5% （for 0.4 to 1.6 ppm） | |
| ShelfLife | 3Years | |
| Correctionsfor temperature & humidity | Unnecessary | |
| Store the tubes at cool and darkplace. | ||
| Possible coexisting substances and theirinterferences | （NOTE） |
| Substance | Concentration | Interference | Change color by itself |
| Hydrazine | - | Plus error | Discolor to yellowstain |
| Pyridine | - | Plus error | Discolor to yellowstain |
| Amines other thanaromatic amines | - | Plus error | Discolor to yellowstain |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-S | Explosive range |
| 25ppm | 35ppm | 15 to 28% |
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