103 低级碳氢化合物检测管103 Hydrocarbons
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- 型号 103
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- 更新时间 2018/6/1 1:31:57
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低级碳氢化合物检测管103 Hydrocarbons
的详细介绍低级碳氢化合物检测管103 Hydrocarbons
Hydrocarbons （Lower Class）03
C2 to C7
| Performance |
| MeasuringRange | 0.05 to 0.1% | 0.1 to 1.2% | 1.2 to 2.4% |
| Number of Pump Strokes | 2 | 1 | 1/2 |
| CorrectionFactor | 1/2 | 1 | 2 |
| SamplingTime | 2 minutes per pumpstroke | ||
| DetectingLimit | 0.01% （n=2） | ||
| ColorChange | Yellowish brown →Greenish brown | ||
| ReactionPrinciple | Hydorocarbon（C2 + C7） +Cr6+ + H2S2O7 →Cr3+ | ||
| Coefficient ofVariation | 10% （for0.1 to 1.2 %） | ||
| ShelfLife | 2Years | ||
| Correctionsfor temperature & humidity | Unnecessary | ||
| Store the tubes at cool and darkplace. | |||
| Possible coexisting substances and theirinterferences | （NOTE） |
| Substance | Concentration | Interference | Change color by itself |
| Carbonmonoxide | - | No effect | Nodiscoloration |
| Methane,Ethane | - | No effect | Nodiscoloration |
| Otherhydrocarbons | - | Plus error | Produce similarstain |
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