产品品牌：

日本gastec

产品型号：

211H

类型：

水质在线分析仪

211H硫化物水质检知管 S2-的详细介绍

sulphide Ion NO.211 S^2-

Performance
MeasuringRange			1 to 100 ppm
SamplingTime			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 darkplace.
Possiblecoexisting substances and their interferences(NOTE)
Substance	Concentration	Interference	Changecolour by itself to
CO32-	500 ppm	+	No
Cl-	5000 ppm	+	No
CrO42-	25 ppm	-
SO32-	300ppm	-	No
S2O32-	50ppm	Uncleardemarcation	No