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Parameter Range Resolution Accuracy Wavelength Cuvette Type Method Method ID Reagent Code Chemical Oxygen Demand Ultra High Range (13 mm Vial) 0.0 to 60.0 ppt (as Oº) 0.1 ppt ±0.5 ppt ±3% of reading @ 25°C 610 nm 13 mm diameter Adaptation of the EPA 410.4 Approved Method for the COD Determination on Surface Waters and Wastewaters #088 HI93754J-25 Reagents for 25 tests Color of Water 0 to 500 PCU (Platinum Cobalt Units) 1 PCU ±10 PCU ±5% of reading at 25 °C 460 nm 22 mm diameter Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th Edition, Colorimetric Platinum Cobalt Method #032 — Copper Low Range 0 to 1500 μg/L (as Cu) 1 μg/L ±10 μg/L ±5% of reading at 25 °C 575 nm 22 mm diameter Adaptation of the EPA Method #033 HI95747-01 Reagents for 100 tests HI95747-03 Reagents for 300 tests Copper High Range 0.00 to 5.00 mg/L (as Cu) 0.01 mg/L ±0.02 mg/L ±4% of reading at 25 °C 560 nm 22 mm diameter Adaptation of the EPA Method #034 HI93702-01 Reagents for 100 tests HI93702-03 Reagents for 300 tests Cyanide 0.000 to 0.200 mg/L (as CN - ) 0.001 mg/L ±0.005 mg/L ±3% of reading at 25 °C 610 nm 22 mm diameter Pyridine-Pyrazalone #035 HI93714-01 Reagents for 100 tests HI93714-03 Reagents for 300 tests Cyanuric Acid 0 to100 mg/L (as CYA) 1 mg/L ±1 mg/L ±15% of reading at 25 °C 525 nm 22 mm diameter Adaptation of the Turbidimetric Method #036 HI93722-01 Reagents for 100 tests HI93722-03 Reagents for 300 tests Fluoride Low Range 0.00 to 2.00 mg/L (as F - ) 0.01 mg/L ±0.03 mg/L ±3% of reading at 25 °C 575 nm 22 mm diameter Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th Edition, SPADNS Method #037 HI93729-01 Reagents for 100 tests HI93729-03 Reagents for 300 tests Fluoride High Range 0.0 to 20.0 mg/L (as F - ) 0.1 mg/L ±0.5 mg/L ±3% of reading at 25 °C 575 nm 22 mm diameter Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th Edition, SPADNS Method #038 HI93739-01 Reagents for 100 tests HI93739-03 Reagents for 300 tests Hardness, Calcium 0.00 to 2.70 mg/L (as CaCO²) 0.01 mg/L ±0.08 mg/L ±4% of reading at 25 °C 523 nm 22 mm diameter Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th Edition, Calmagite Method #039 HI93720-01 Reagents for 100 tests HI93720-03 Reagents for 300 tests Hardness, Magnesium 0.00 to 2.00 mg/L (as CaCO²) 0.01 mg/L ±0.11 mg/L ±5% of reading at 25 °C 523 nm 22 mm diameter Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th Edition, EDTA Colorimetric Method #040 HI93719-01 Reagents for 100 tests HI93719-03 Reagents for 300 tests Hardness, Total Low Range 0 to 250 mg/L (as CaCO²) 1 mg/L ±5 mg/L ±4% of reading at 25 °C 466 nm 22 mm diameter Adaptation of the EPA Method 130.1 #041 HI93735-00 Reagents for 100 tests (LR) HI93735-0 Reagents for 300 tests (LR - 100 tests, MR - 100 tests, HR - 100 tests) Hardness, Total Medium Range 200 to 500 mg/L (as CaCO²) 1 mg/L ±7 mg/L ±3% of reading at 25 °C 466 nm 22 mm diameter Adaptation of the EPA Method 130.1 #042 HI93735-01 Reagents for 100 tests (MR) HI93735-0 Reagents for 300 tests (LR - 100 tests, MR - 100 tests, HR - 100 tests) Hardness, Total High Range 400 to 750 mg/L (as CaCO²) 1 mg/L ±10 mg/L ±2% of reading at 25 °C 466 nm 22 mm diameter Adaptation of the EPA Method 130.1 #043 HI93735-02 Reagents for 100 tests (HR) HI93735-0 Reagents for 300 tests (LR - 100 tests, MR - 100 tests, HR - 100 tests) Hydrazine 0 to 400 μg/L (as NºH¹) 1 μg/L ±3 μg/L ±3 % of reading at 25°C 466 nm 22 mm diameter Adaptation of the ASTM Manual of Water and Environmental Technology, Method D1385,p- Dimethylaminobenzaldehyde Method #044 HI93704-01 Reagents for 100 tests HI93704-03 Reagents for 300 tests Iodine 0.0 to 12.5 mg/L (as Iº) 0.1 mg/L ±0.1 mg/L ±5% of reading at 25 °C 525 nm 22 mm diameter Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th Edition, DPD Method #045 HI93718-01 Reagents for 100 tests HI93718-03 Reagents for 300 tests 10 Photometers 10.30 | www.hannainst.com iris® Spectrophotometer

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