四氯乙烯检测133D

四氯乙烯检测133D Tetrachloroethylene

简单介绍
四氯乙烯检测133D Tetrachloroethylene，四氯乙烯检测管133D Tetrachloroethylene Cl2C:CCl2，Measuring Range 3 to 150 ppm Sampling Hours 1 to 8 hours Color Change，四氯乙烯气体检测管价格

四氯乙烯检测133D Tetrachloroethylene的详细介绍
四氯乙烯检测133D Tetrachloroethylene
Tetrachloroethylene No.133D
Cl2C:CCl2

Performance

Measuring Range	3 to 150 ppm
Sampling Hours	1 to 8 hours
Color Change	Yellow → Purple
Reaction Principle	Cl2CCl2+ PbO2 + H2SO4 → HCl HCl + Base → Chloride
Coefficient ofVariation	15%(for 25 to 50 ppm-hr), 10% (for 50 to 150 ppm-hr)
ShelfLife	1 Year
Correctionsfor temperature & humidity	Temperature correction isnecessary
Store the tubes inthe refrigerator to keep at 10ºC (50ºF) orbelow.

Possible coexisting substances and theirinterferences

Substance	Interference	Change color by itself
Hydrogen chloride,Chlorine	-	Purple
1,2-Dichloroethylene,Trichloroethylene	+	Purple
Toluene, Xylene	No	No

Calibration gasgeneration

Diffusion tubemethod

TLV-TWA	TLV-STEL	Explosive range
25 ppm	100 ppm	-