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 0.04 - 5.00 mg/L ClO2 10126 DPD Powder Pillows or AccuVac Y View Contact Hach
Powder Pillows 0.05 - 5.00 mg/L ClO₂ 10126 DR300 PCII DPD Powder Pillows   View
Powder Pillows 0.05 - 5.00 mg/L ClO₂ 10126 DPD Y View
Powder Pillows 0 - 5.00 mg/L 10126 DR800 DPD Powder Pillows Y  
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 5 - 1000 mg/L 8138 Spectrophotometer HR Direct Reading     Contact Hach
Solution 0 - 5.00 mg/L 10126 DR800 DPD Powder Pillows Y  
Solution 0 - 50.0 mg/L 8345 DR800 Direct Reading Method   View
Solution 1 - 50.0 mg/L ClO₂ 8345 MR Direct Reading Method Direct Reading    
Solution 0.1 - 5 mg/L ClO₂ AT1000 Amperometric Titration ClO₂ Automatic Titrator Method    
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 - 5.00 mg/L 10126 DR800 DPD Powder Pillows Y   Contact Hach
Accuvac 0.05 - 5.00 mg/L ClO₂ 10126 DR300 PCII DPD Powder Pillows   View
Accuvac 0.05 - 5.00 mg/L ClO₂ 10126 DPD Y View
Accuvac 0.04 - 5.00 mg/L ClO2 10126 DPD Powder Pillows or AccuVac Y 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 0.04 - 5.00 mg/L ClO2 10126 DPD Powder Pillows or AccuVac Y View Contact Hach
Solution 0 - 5.00 mg/L 10126 DR800 DPD Powder Pillows Y  
Solution 0.05 - 5.00 mg/L ClO₂ 10126 DPD Y View
1426810: Chlorine standard solution, 50-75 mg/L Cl₂ Solution 0.04 - 5.00 mg/L ClO2 10126 DPD Powder Pillows or AccuVac Y View Contact Hach
Solution 0 - 5.00 mg/L 10126 DR800 DPD Powder Pillows Y  
Solution 0.05 - 5.00 mg/L ClO₂ 10126 DPD Y View
Solution 0.1 - 5 mg/L ClO₂ AT1000 Amperometric Titration ClO₂ Automatic Titrator Method    
1490932: Acetate Buffer Solution, pH 4.0, 100 mL Solution 0.1 - 5 mg/L ClO₂ AT1000 Amperometric Titration ClO₂ Automatic Titrator Method     Contact Hach
2070242: Chlorine Dioxide Reagent 3, 100 mL Solution 0.01 - 1.00 mg/L ClO2 8065 LR Chlorophenol Red     Contact Hach
2070042: Chlorine Dioxide Reagent 1, 100 mL Solution 0.01 - 1.00 mg/L ClO2 8065 LR Chlorophenol Red     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
32353: Sodium Thiosulfate Standard Solution, 0.1 N, 1 L Solution 100 - 4,500 mg ClO₂ Chlorine Dioxide Generator Yield     Contact Hach
16701H: Potassium Iodide, ACS, 454 g Jar 100 - 4,500 mg ClO₂ Chlorine Dioxide Generator Yield     Contact Hach
2630020-CA: Chlorine Standard Solution, 25-30 mg/L as Cl₂, pk/20 - 2 mL PourRite Ampules Solution 0.1 - 5 mg/L ClO₂ AT1000 Amperometric Titration ClO₂ Automatic Titrator Method     Contact Hach
2070142: Chlorine Dioxide Reagent 2, 100 mL Solution 0.01 - 1.00 mg/L ClO2 8065 LR Chlorophenol Red     Contact Hach
254049: Nitric Acid Solution, 1:1, 500 mL Solution 100 - 4,500 mg ClO₂ Chlorine Dioxide Generator Yield     Contact Hach
2770900-CA: Chlorine Dioxide Reagent Set, DPD Glycine, 10 mL 0.05 - 5.00 mg/L ClO₂ 10126 DR300 PCII DPD Powder Pillows   View Contact Hach
0.04 - 5.00 mg/L ClO2 10126 DPD Powder Pillows or AccuVac Y View
0 - 5.00 mg/L 10126 DR800 DPD Powder Pillows Y  
0.05 - 5.00 mg/L ClO₂ 10126 DPD Y View
2762133: Glycine Reagent, 10%, 29 mL SCDB Solution 0.05 - 5.00 mg/L ClO₂ 10126 DR300 PCII DPD Powder Pillows   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  
Solution 0.05 - 5.00 mg/L ClO₂ 10126 DPD Y View
2155353: Buffer, Phosphate Type, pH 7.0, 1 L Solution 100 - 4,500 mg ClO₂ Chlorine Dioxide Generator Yield     Contact Hach
Solution 0.1 - 5 mg/L ClO₂ AT1000 Amperometric Titration ClO₂ Automatic Titrator Method    
1436369: Dechlorinating Reagent Powder Pillows, pk/100 Powder Pillows 0.01 - 1.00 mg/L ClO2 8065 LR Chlorophenol Red     Contact Hach
104732: Sodium Arsenite Solution, 5.0 g/L, 100 mL Solution 0.04 - 5.00 mg/L ClO2 10126 DPD Powder Pillows or AccuVac Y View Contact Hach
Solution 0 - 5.00 mg/L 10126 DR800 DPD Powder Pillows Y  
Solution 0.05 - 5.00 mg/L ClO₂ 10126 DPD Y View
2333353: Iodine Standard Solution, 0.0282 N, 1 L Solution 0.1 - 5 mg/L ClO₂ AT1000 Amperometric Titration ClO₂ Automatic Titrator Method     Contact Hach
2155332: Buffer, Phosphate Type, pH 7, for Amperometric Chlorine, 100 mL MDB Solution 0.1 - 5 mg/L ClO₂ AT1000 Amperometric Titration ClO₂ Automatic Titrator Method     Contact Hach
104532: Sodium Hydroxide Standard Solution, 1.000 N, 100 mL MDB Solution 0.04 - 5.00 mg/L ClO2 10126 DPD Powder Pillows or AccuVac Y View Contact Hach
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