检测认证人脉交流通讯录
- 二氧化硫气体检测管5D sulphur dioxide SO2，Measuring Range 0.2 to 100 ppm Sampling Hours 1 to 10 hours Detecting Limit 0.1 ppm (10 hours) Color 二氧化硫气体检测管价格
二氧化硫气体检测管5D sulphur dioxide的详细介绍
二氧化硫气体检测管5D sulphur dioxide
sulphur dioxide No.5D
SO2
Performance
Measuring Range
0.2 to 100 ppm
Sampling Hours
1 to 10 hours
Detecting Limit
0.1 ppm (10hours)
Color Change
Green→ Yellow
Reaction Principle
SO2 + BaCl2 + H2O 仺 BaSO3 + 2HCl
HCl + Base 仺 Chloride
Coefficient ofVariation 10%(for 2 to 10 ppm-hr),5% (for 10 to 100 ppm-hr)
ShelfLife 3 Year
Correctionsfor
temperature & humidity Unnecessary
Store the tubes atcool and dark place.
Possible coexisting substances and theirinterferences (NOTE)
Substance
Concentration
Interference
Change color by itself
Nitrogendioxide
-
No
Hydrogen sulphide
+
No
Calibration gasgeneration Diffusion tubemethod
TLV-TWA TLV-STEL Explosive range
2 ppm 5 ppm -
