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一氧化碳氣體檢測管1LL Carbon monoxide 的詳細介紹一氧化碳氣體檢測管1LL Carbon monoxide
Carbonmonoxide No.1LL
MeasuringRange
5 to 50 ppm
Number of PumpStrokes
2
CorrectionFactor
1
SamplingTime
2 minutes per pumpstroke
DetectingLimit
1 ppm (n=2)
ColorChange
Yellow → Blackishbrown
ReactionPrinciple
CO +Na2Pd(SO3)2 → Pd + CO2 + SO2 + Na2SO3
Coefficient ofVariation15% (for 5 to 10ppm)， 10% (for 10 to 50 ppm)ShelfLife3 YearsCorrectionsforSubstance
Concentration
Interference
Change color by itself
Acetylene
1/50 time
Plus error
Produces dark brownstain
Sulfurdioxide
1/10 time
Plus error
Produces dark brownstain
Nitrogendioxide
40 ppm
Plus error
Produces redstain
Hydrogensulfide
1/5 time
Plus error
Produces dark brownstain
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