起订量:
103 低级碳氢化合物检测管103 Hydrocarbons
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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 |