Method: FerroZine® Range: up to 1.400 mg/L For the determination of trace levels of iron (0-1.4000 mg/L Fe). when used with a Hach spectrophotometer. Must use digestion to determine total iron. This method is applicable for determining trace levels of iron in chemical reagents…

Improved reagent set for sequential determination of free ammonia and monochloramine by the Indophenol method. Replaces 2879700. Hach Method 10200 Ranges: 0.04 to 4.50 mg/L Cl2 and 0.02 to 0.50 mg/L NH3-N Set contains reagents for approximately 50 tests

Total iron reagent for 5-mL samples Method: 1,10 phenanthroline Powder Pillows

Ferrous Iron Reagent AccuVac® Ampules contain the precise amount of reagent for a single test and can be used as a measurement cuvette Method: 1, 10 Phenanthroline Range: up to 3.00 mg/L