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简单介绍：
131氯乙烯检测管 Vinyl chloride，便携式气体组合分析仪、突发事件有毒有害气体应急检测箱、多参数水质测定仪、个人防护装备，可用于金属、类金属、硝酸盐、磷酸盐、硫酸盐等无机物以及酚、甲醛、氰化物、肼、苯酚等有机物。
详情介绍：
131氯乙烯检测管 Vinyl chloride
Vinylchloride No.131
CH2:CHCl
| Performance |
MeasuringRange | 0.025 to 0.05% | 0.05 to 1 % | 1 to 2 % |
Number of Pump Strokes | 2 | 1 | 1/2 |
Correction Factor | 1/2 | 1 | 2 |
SamplingTime | 1 minutes per pumpstroke | ||
DetectingLimit | 0.005 % (n=2) | ||
ColorChange | Orange → Darkgreen | ||
ReactionPrinciple | CH2:CHCl +Cr6+ + H2SO4 → Cr3+ | ||
| Coefficient of Variation | 10%(for 0.05 to 0.2 %), 5% (for 0.2 to 1 %) | ||
| Shelf Life | 3Years | ||
| Corrections for temperature & humidity | Unnecessary | ||
| Store the tubes at cool and darkplace. | |||
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Organicsolvents | - | Plus error | Darkgreen |
| Othersubstance measurable with this detector tube |
| Calibration gasgeneration | Static gas dilutionmethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 1ppm | - | 3.6to 23 % |