产品品牌：

日本gastec

产品型号：

211M

类型：

水质在线分析仪

211M硫化物检测管 S2-的详细介绍

sulphide Ion NO.211M S^2-

Performance
Measuring Range			2 to 300 ppm
Sampling Time			2 minutes
Detecting Limit			0.5 ppm
Colour Change			White → Brown
Reaction Principle			S2- + Pb(CH3COO)2 → PbS
Shelf Life			3 Years
Corrections for temperature & humidity			Unnecessary
Store the tubes at cool and dark place.
Possible coexisting substancesand their interferences (NOTE)
Substance	Concentration	Interference	Change colour by itselfto
Cl-	15000 ppm	+	No
CrO42-	50 ppm	-	Yellow
CO32-	500 ppm	+	No
SO32-	200 ppm	-	No
S2O32-	100 ppm	+	No