Quick Detection Tube for Ethylene (C₂H₄) 0.2 - 100 ppm
Manufacturer: Gastec - Japan
Model Number: No.172L
Code: 9-809-15
Measurement Range: 0.2 - 100 ppm
Sampling Procedure:
- 0.2 to 50 ppm: Pump 4 times
- 50 to 100 ppm: Pump 2 times
- Sampling Time: 2 minutes per pump
Color Change: Pale yellow → Blue
Reaction Equation:
CH2:CH2 + (NH4)2MoO4 + PdSO4→ Molybdenum blue
Coefficient of Variation:
- 10% (for 0.2 to 10 ppm)
- 5% (for 10 to 50 ppm)
Packaging: 10 tubes per box
