简单介绍： 硫醇气体检测管70l mercaptans，strokes 4 2 1 1/2 correction factor 1/5 0.4 1 2 sampling time 1.5 minutes per pump stroke detecting硫醇气体检测管价格，r-sh
硫醇气体检测管70l mercaptans 产品详情
详情介绍：
硫醇气体检测管70l mercaptans mercaptansno.70lr-shperformance
measuringrange
0.1 to 0.2 ppm
0.2 to 0.5 ppm
0.5 to 4 ppm
4 to 8 ppm
number of pumpstrokes
4
2
1
1/2
correctionfactor
1/5
0.4
1
2
samplingtime
1.5 minutes per pumpstroke
detectinglimit
0.05 ppm (n=4)
colorchange
yellow → red
reactionprinciple
rsh + hgcl2 → rshgcl + hcl
hcl + base chloride
coefficient ofvariation 10% (for0.5 to 1 ppm), 5% (for 1 to 4 ppm)
shelflife 2years
correctionsfor
temperature & humidity unnecessary
store the tubes at cool and darkplace.
possible coexisting substances and theirinterferences (note)
substance
concentration
interference
change color by itself
acid gases
- plus error
produces redstain
hydrogensulfide
200ppm no effect
nodiscoloration
othersubstance measurable with this detector tube
substance
correction factor
pump strokes
measuring range
butylmercaptan
1.6
1/2,1,2 or 4
0.16 to 12.8ppm
tert-butylmercaptan
1.0
0.1 to 8 ppm
euthylmercaptan 1.0 0.1 to 8 ppm
methylmercaptan 1.0 0.1 to 8 ppm
propymercaptan 1.2 0.12 to 9.6ppm
calibration gasgeneration diffusion tubemethod
tlv-twa tlv-stel explosive range
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