Gastec 174LL 快速1,3-丁二烯检测管CH2:CHCH:CH2(0.5~5 ppm)

Indicator: 0.5 to 5 ppm
Measuring Range: 0.5 to 5 ppm, Number of Pump Strokes 1
Sampling Time: 3 minute per pump stroke
Colour Change: Pink → Pale Yellow
Reaction Principle: CH2:CHCH:CH2+ KMnO4 → Reaction Product
Coefficient of Variation: 10% (for 0.5 to 1 ppm), 5% (for 1 to 5 ppm)
Nr. of tests: 5
Pump: GV-100S/110S

Detail

Catalog

Manual

Performance
Measuring Range 0.5 to 5 ppm
Number of Pump Strokes 1
Correction Factor 1
Sampling Time 3 minutes per pump stroke
Detecting Limit 0.1 ppm (n=1)
Colour Change Pink → Pale Yellow
Reaction Principle CH2:CHCH:CH2+ KMnO4 → Reaction Product
Coefficient of Variation 10% (for 0.5 to 1 ppm), 5% (for 1 to 5 ppm)
Shelf Life 3 Years
Corrections for temperature & humidity Unnecessary
Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below.
Possible coexisting substances and their interferences (NOTE)
Substance Concentration Interference Change colour by itself to
Ammonia   No No
CO & CO2   No No
H2S, HCN   No No
Acetylene 50 ppm + White
Olefins   + Pale yellow
Calibration gas generation Permeation tube method
TLV-TWA TLV-STEL Explosive range
2 ppm(2014) - 2.0 to 12%

 

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