检测认证人脉交流通讯录
- 乙醇检测管112D C2H5OH Ethanol，Measuring Range 100 to 25000 ppm Sampling Hours 1 to 10 hours Detecting Limit 0.05 ppm (10 hours) Color Change Yellow，乙醇检测管价格
乙醇检测管112D C2H5OH Ethanol的详细介绍
乙醇检测管112D C2H5OH Ethanol
Ethanol No.112D
C2H5OH
Performance
Measuring Range
100 to 25000ppm
Sampling Hours
1 to 10 hours
Detecting Limit
0.05 ppm (10hours)
Color Change
Yellow→ Brown
Reaction Principle
C2H5OH +Cr6++H2SO4 →Cr3+
Coefficient ofVariation 15%(for 1000 to 3000 ppm-hr), 10% (for 3000 to 25000ppm-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
Methanol,Esters
No
No
Isopropyl alcohol +
Brown
Calibration gasgeneration Diffusion tubemethod
TLV-TWA TLV-STEL Explosive range
1000 ppm - 3.3to 19%
