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For best Accuracy use with a fresh drawn sample before Ferrous Iron +2 (if present) oxidizes to Ferric Iron +3 in contact with oxygen in air
This test is USEPA ETV verified
providing a wide range of color development
Pool eXact® EZ Basic Kit (486201-K)
WaterWorks™ Zinc Check Parameter_Sulfate For best Accuracy use withWaterWorks Zinc Check for water quality testing is designed for detection of Zinc in water. There are no hazardous chemicals to mix and MSDS is not required. Note: Similar positive color development shows up with the presence of Cu+2 (>0. 1mg L), Mn+2 (>5 mg L), and Fe+2 (>10 mg L). Most interference from other metals can be overcome by adjusting the pH between 4. 0 to 5. 5 and adding sufficient Sodium Thiosulfate before test analysis. Contains 50
