产品品牌：

日本gastec

产品型号：

281

类型：

水质快速分析仪

281铁离子检测管 Fe2+的详细介绍

Iron (II) Ion NO.281 Fe²⁺

Performance
Measuring Range			(5) to 50 mg/L
Sampling Time			5 minutes
Detecting Limit			1.0 mg/L
Colour Change			White → Orange
Reaction Principle			Fe2+ + 1,10 Fenantoroline (White) → Complex compound
Shelf Life			3 Years
Corrections for temperature & humidity			Unnecessary
Store the tubes at cool and dark place.
Possible coexisting substances and their interferences (NOTE)
Substance	Concentration	Interference	Change colour by itself to
Zn	5 mg/L	+	No (100mg/L)
Co	5 mg/L	+	Orange (1mg/L)
CN-	20 mg/ L	-	No (100mg/L)
Fe3+	50 mg/L	+	Pale orange (50 mg/L)
CU+	5 mg/L	-	Pale orange (1 mg/L)
CU2+	10 mg/L	+	Pale blue (50 mg/L)
Ni	5 mg/L	+	No (100mg/L)
Mn	50 mg/L	-	No (100mg/L)
PO43-	100 mg/L	No	No (100mg/L)