Hach System test verification Chemkey (multi-use)

Hach Monochloramine Chemkey Reagents test 0.04 - 4 mg/L Cl2

Hach Ammonia (free and total) & Monochloramine Chemkey Reagents test

Hach Chlorine measurement test verification Chemkey (multi-use)

Hach Peracetic Acid Chemkey Reagents test 0.04 - 50 mg/L PAA

Hach Dissolved Iron Chemkey Reagents test 0.05 - 3 mg/L Fe

Hach Copper Chemkey Reagents test 0.06 - 5 mg/L Cu

Hach Total Alkalinity High Range HR Chemkey Reagents test 200 - 700 mg/L CaCO3

Hach Total Alkalinity Low Range LR Chemkey Reagents test 20 - 200 mg/L CaCO3

Hach Hardness High Range HR Chemkey Reagents test 90 - 750 mg/L CaCO3

Hach Hardness Low Range LR Chemkey Reagents test 3 - 100 mg/L CaCO3

Hach Orthophosphate High Range HR Chemkey Reagents test 2 - 30 mg/L PO4

Hach Orthophosphate Low Range LR Chemkey Reagents test 0.2 - 4 mg/L PO4

Hach Nitrite Chemkey Reagents test 0.005 - 0.6 mg/L NO2-N

Hach Free Chlorine Chemkey Reagents test 0.04 - 4 mg/L Cl2

Hach Free Chlorine Chemkey Reagents test 0.04 - 4 mg/L Cl2

Hach Total Chlorine Chemkey Reagents test 0.04 - 10 mg/L Cl2

Hach Total Chlorine Chemkey Reagents test 0.04 - 10 mg/L Cl2

Hach Total Ammonia Chemkey Reagents test 0.05 - 1.5 mg/L NH3-N

Hach Free Ammonia & Monochloramine Chemkey Reagents test 0.05 - 0.5 mg/L NH3-N / 0.04 - 4 mg/L Cl2