Chemistries, Reagents and Standards

Chemistries, Reagents and Standards
Hach® has more than 60 years of history dedicated to formulating and packaging high-quality reagents for water analysis. We understand your applications and formulate our reagents to ensure exceptional performance and deliver results you can trust, time after time. Our expertise extends beyond chemistry formulation to the complete reagent system. Hach chemistries are rigorously tested in combination with our packaging and instruments to ensure the highest possible system performance. No other company can offer these advantages.
 
Browse Products by Parameter

Products: Chlorine Dioxide

PN / Name
Platform
Range
Method
EPA Compliant
Instrument, Test Kit, etc
CAD Price
2105569-CA: DPD Free Chlorine Reagent Powder Pillows, 10 mL, pk/100 Powder Pillows 0.05 - 5.00 mg/L ClO₂ 10126 DPD Y View Contact Hach
Powder Pillows 0.05 - 5.00 mg/L ClO₂ 10126 DR300 PCII DPD Powder Pillows   View
Powder Pillows 0 - 5.00 mg/L 10126 DR800 DPD Powder Pillows Y  
Powder Pillows 0.04 - 5.00 mg/L ClO2 10126 DPD Powder Pillows or AccuVac Y View
2105528-CA: DPD Free Chlorine Reagent Powder Pillows, 10 mL, pk/1000 Powder Pillows 0.04 - 5.00 mg/L ClO2 10126 DPD Powder Pillows or AccuVac Y View Contact Hach
2105503-CA: DPD Free Chlorine Reagent Powder Pillows, 10 mL, pk/300 Powder Pillows 0.04 - 5.00 mg/L ClO2 10126 DPD Powder Pillows or AccuVac Y View
OBSOLETE
Powder Pillows 0.05 - 5.00 mg/L ClO₂ 10126 DPD Y View
1436369: Dechlorinating Reagent Powder Pillows, pk/100 Powder Pillows 0.01 - 1.00 mg/L ClO2 8065 LR Chlorophenol Red     Contact Hach
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