简单介绍: 氯化苯气体检测管126l chlorobenzene,measuring range 0.5 to 10 ppm 10 to 43 ppm number of pump strokes 3 1 correction factor 1 4.3 sampling time 1.5 minutes,氯化苯气体检测管126l c......
氯化苯气体检测管126l chlorobenzene 产品详情
详情介绍:
氯化苯气体检测管126l chlorobenzene
chlorobenzene26lc6h5clperformance
measuringrange
0.5 to 10 ppm
10 to 43 ppm
number of pump strokes
3
1
correction factor
1
4.3
samplingtime
1.5 minutes per pumpstroke
detectinglimit
0.2ppm (n=3)
colorchange
yellow → palepurple
reactionprinciple
c6h5cl+ pbo2 + h2so4 → hcl
hcl + base → chloride
coefficient ofvariation 10% (for0.5 to 2 ppm), 5% (for 4 to 10 ppm)
shelflife 2years
correctionsfor
temperature & humidity temperature correction is necessary
store the tubes inthe refrigerator to keep at 10oc (50of) orbelow.
possible coexisting substances and theirinterferences (note)
substance
concentration
result
change color by itself
chlorine, hydrogenchloride,
trichloroethylene,
tetrachloroethylene
- plus error
pale bluishpurple
othersubstance measurable with this detector tube
calibration gasgeneration permeation tube method
tlv-twa tlv-stel explosive range
10ppm - 1.3 to 9.6%