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- 产品品牌：美国
- 产品型号：检测管
美国华瑞RAE，美国YSI一级代理，现货特价！英国离子PC-5000EX现货折扣
意大利哈呐优惠供应！
北京宏昌信科技有限公司
邓敏 15321575952 dengmin8023@163.com
| Performance |
Measuring Range | 2.5 to 1000ppm |
Sampling Hours | 0.5 to10 hours |
Detecting Limit | 0.5 ppm (10hours) |
Color Change | Purple →Yellow |
Reaction Principle | 2NH3 + H2SO4 → (NH4)2SO4 |
| Coefficient ofVariation | 10%(for 25 to 500 ppm-hr) |
| ShelfLife | 3 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,Hydrazine | + | Yellow |
| Aromatic amines | No |
No |
| Othersubstance measurable with this detectortube |
Substance | CorrectionFactor | SamplingTime | MeasuringRange |
Dimethylamine | 0.75 | 0.5 to 10hours | 1.9 to 750 ppm |
N,N-Dimethylethylamine | 1.6 | 0.5 to 10 hours | 4 to 1600 ppm |
Hydrazine | 0.65 | 0.5 to 10 hours | 1.6 to 650 ppm |
Triethylamine | 2.1 | 0.5 to 10 hours | 5.3 to 2100ppm |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 25 ppm | 35ppm | 15 to28% |
公司联系方式
- 北京华拓鸿达科技有限责任公司 [加为商友]
- 联系人位康康(先生)
- 地区北京
- 地址中国 北京市海淀区 北京海淀区上地三街嘉华大厦C座404
