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 DR300 PCII DPD Powder Pillows   View Contact Hach
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
Powder Pillows 0.05 - 5.00 mg/L ClO₂ 10126 DPD 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
27256: Water, deionised and demineralised, 4L Solution 1 - 50.0 mg/L ClO₂ 8345 MR Direct Reading Method Direct Reading     Contact Hach
Solution 0 - 50.0 mg/L 8345 DR800 Direct Reading Method   View
Solution 5 - 1000 mg/L 8138 Spectrophotometer HR Direct Reading    
Solution 0.1 - 5 mg/L ClO₂ AT1000 Amperometric Titration ClO₂ Automatic Titrator Method    
Solution 0 - 5.00 mg/L 10126 DR800 DPD Powder Pillows Y  
2802300: DPD Free Chlorine Reagent, Swiftest Dispenser Swiftest 0 - 5.00 mg/L 10126 DR800 DPD Powder Pillows Y   Contact Hach
2502025: Free Chlorine Reagent, Accuvac Ampules, DPD, pk/25 Accuvac 0.04 - 5.00 mg/L ClO2 10126 DPD Powder Pillows or AccuVac Y View Contact Hach
Accuvac 0 - 5.00 mg/L 10126 DR800 DPD Powder Pillows Y  
Accuvac 0.05 - 5.00 mg/L ClO₂ 10126 DPD Y View
Accuvac 0.05 - 5.00 mg/L ClO₂ 10126 DR300 PCII DPD Powder Pillows   View
199953: Phenylarsine Oxide (PAO) Standard Solution, 0.00564 N, 1 L Solution 0.1 - 5 mg/L ClO₂ AT1000 Amperometric Titration ClO₂ Automatic Titrator Method     Contact Hach
2641549: Dilution Water, Organic Free, 500 mL Solution 0.05 - 5.00 mg/L ClO₂ 10126 DPD Y View Contact Hach
Solution 0.04 - 5.00 mg/L ClO2 10126 DPD Powder Pillows or AccuVac Y View
Solution 0 - 5.00 mg/L 10126 DR800 DPD Powder Pillows Y  
1426810: Chlorine standard solution, 50-75 mg/L Cl₂ Solution 0.1 - 5 mg/L ClO₂ AT1000 Amperometric Titration ClO₂ Automatic Titrator Method     Contact Hach
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