Home / Products / Hach FerroZine® Iron Reagent Solution Pillows, pk/50 SKU: 230166 Hach FerroZine® Iron Reagent Solution Pillows, pk/50 SKU: 230166$30.58 Hach FerroZine® Iron Reagent Solution Pillows, pk/50 SKU: 230166 quantity Add to cart 🛒 You’ll complete your purchase securely on our Shopify store. Description Description For determination of trace levels of iron by the Ferrozine method. Hach method 8147. Range: 0.009 to 1.40 mg/L. Sample size: 25 mL. Pack of 50 pillows. Related products Hach TPTZ Iron Reagent Powder Pillows, 10 mL, pk/100 SKU: 2608799 $48.42 Hach FerroVer® Iron Reagent Powder Pillows, 10 mL, pk/100 SKU: 2105769 $32.94 Hach Ferrous Iron Reagent Powder Pillows, pk/100 SKU: 103769 $37.66 Hach Iron TNTplus Vial Test (0.2-6.0 mg/L Fe), 25 Tests SKU: TNT858 $77.22