苯乙烯檢測管 124 Styrene 的詳細(xì)介紹
 苯乙烯檢測管 124 Styrene
Styrene               No.124C6H5CH:CH2
Performance
 
MeasuringRange
10 to 20 ppm
20 to 500 ppm
500 to 1500ppm
Number of Pump Strokes
2
1
1/2
Correction Factor
1/2
1
3
SamplingTime
30 seconds per pumpstroke
DetectingLimit
1 ppm (n=2)
ColorChange
White → Yellow
ReactionPrinciple
C6H5CH:CH2+H2S2O7 → CondensationPolymer
Coefficient ofVariation 15% (for20 to 100 ppm), 10% (for 100 to 500 ppm)
ShelfLife 3Years
Correctionsfor
temperature & humidity Unnecessary
Store the tubes at cool and darkplace.