Gastec 151 快速丙酮测量检测管CH3COCH3(0.05~0.8%)

Indicator: 0.05 ~ 0.8%
Measuring Range: 
+ 0.05 ~ 0.8%, Number of Pump Strokes 2
+ 0.8 ~ 2.0%, Number of Pump Strokes 1
Sampling Time: 1.5 minutes per pump stroke
Colour Change: Orange → Dark green
Reaction Principle: CH3COCH3 + Cr6++ H2SO4→Cr3+
Coefficient of Variation: 10% (for 0.05 to 0.2 %), 5% (for 0.2 to 0.8 %)
Nr. of tests: 10
Pump: GV-100S/110S

Detail

Catalog

Manual

Performance
Measuring Range
0.05 to 0.8% 0.8 to 2.0%
Number of Pump Strokes
2 1
Correction Factor
1 2.5
Sampling Time 1.5 minutes per pump stroke
Detecting Limit 0.003% (n=2)
Colour Change Orange → Dark green
Reaction Principle CH3COCH3 + Cr6++ H2SO4→Cr3+
Coefficient of Variation 10% (for 0.05 to 0.2 %), 5% (for 0.2 to 0.8 %)
Shelf Life 3 Years
Corrections for temperature & humidity Temperature correction is necessary
Store the tubes at cool and dark place.
Possible coexisting substances and their interferences (NOTE)
Substance Concentration Interference Change colour by itself to
sulphur dioxide 500 ppm + Green(500 ppm)
Hydrogen sulphide 500 ppm + Dark green(500 ppm)
Alcohols, Esters, Ketones   + Dark green
Propane 0.2% Yes Dark green (whole layer)(0.2%)
Aromatic HCs. 500 ppm + Dark green(500 ppm)
Other substance measurable with this detector tube
Substance Correction Factor No. of pump strokes Measuring Range
Cyclohexene 1.0 1 0.05 to 0.8%
Calibration gas generation Static gas dilution method
TLV-TWA TLV-STEL Explosive range
500 ppm (2014) 750 ppm (2014) 2.1 to 13%
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