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NitriVer 3 Nitrite Reagent Powder Pillows, 0.02-0.30 mg/L NO₂-N
For low range nitrite determination by the NitriVer® 3 Diazotization Method: EPA Compliant - Hach Method 8507. Range: up to 0.300 mg/L NO₂-N Sample Size: 25 mL. Pack of 100 powder pillows.