检测认证人脉交流通讯录
- 过氧化氢检测管32D Hydrogen peroxide H2O2，Measuring Range 0.5 to 40 ppm Sampling Hours 1 to 10 hours Detecting Limit 0.3 ppm (10 hours) Color Change过氧化氢检测管价格
过氧化氢检测管32D Hydrogen peroxide的详细介绍
过氧化氢检测管32D Hydrogen peroxide
Hydrogen peroxide No.32D
H2O2
Performance
Measuring Range
0.5 to 40 ppm
Sampling Hours
1 to 10 hours
Detecting Limit
0.3 ppm (10hours)
Color Change
White→ Yellow
Reaction Principle
H2O2 +Ti(SO4)2 →Yellow product
Coefficient ofVariation 10%(for 5 to 40 ppm-hr)
ShelfLife 3 Year
Correctionsfor
temperature & humidity Temperature correction isnecessary
Store the tubes atcool and dark place.
Possible coexisting substances and theirinterferences (NOTE)
Substance
Concentration
Interference
Change color by itself
Nitrogendioxide
No
No
Chlorine,Ozone
No
No
Acetaldehyde 20 ppm
Unclear demarcation
No
Formaldehyde 10 ppm
-
No
Calibration gasgeneration Diffusion tubemethod
TLV-TWA TLV-STEL Explosive range
1 ppm - -
