5L SO2檢測管Sulphur dioxide 的詳細介紹
5L SO2檢測管Sulphur dioxide

Sulphur dioxide        No.5LSO2
Performance
 
MeasuringRange
1.25to 2.5ppm
2.5to 5ppm
5to 100ppm
100to 200ppm
Number of PumpStrokes
4
2
1
1/2
CorrectionFactor
1/4
1/2
1
2
SamplingTime
1 minute per pumpstroke
DetectingLimit
0.25ppm (n=4)
ColorChange
Blue → Yellow
ReactionPrinciple
SO2 + BaCl2 +H2O 仺 BaSO3 + 2HCl
HCl+Base 仺 Chloride
Coefficient ofVariation
10% (for 5 to 20ppm), 5% (for 20 to 100 ppm)
ShelfLife 3Years
Correctionsfor
temperature & humidity Unnecessary
Store the tubes at cool and darkplace.