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, Free

PN / Name
Platform
Range
Method
EPA Compliant
Instrument, Test Kit, etc
ZAR Price
27256: Water, deionised and demineralised, 4L Solution 0 - 1,000 µg/L Cl₂ 10024 Y View Contact Hach
Solution 0 4.00 mg/L 10245 DR800 DPD Powder Pillows Y  
Solution 0.04 - 4.00 mg/L Cl2 Chemkeys for PPA - Free Chlorine ChemKeys for PPA - Free Chlorine Y  
2630020: Chlorine standard solution, 25-30 mg/L Cl₂, 20 pcs. Solution 0.05 2.00 mg/L 10231 Spectrophotometer,TNTplus DPD Y   Contact Hach
Solution 0.5 mg/L and above Cl₂ 8334 Amperometric Buret Titration Method Y  
Solution 0 4.00 mg/L 10245 DR800 DPD Powder Pillows Y  
Solution 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View
2459500: Reagent set, chlorine (free & total), DPD, 10 mL 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View Contact Hach
2155332: Buffer, Phosphate Type, pH 7, for Amperometric Chlorine, 100 mL MDB Solution 0 - 1,000 µg/L Cl₂ 10024 Y View Contact Hach
Solution 0.5 mg/L and above Cl₂ 8334 Amperometric Buret Titration Method Y  
199953: Phenylarsine Oxide (PAO) Standard Solution, 0.00564 N, 1 L Solution 0.5 mg/L and above Cl₂ 8334 Amperometric Buret Titration Method Y   Contact Hach
1426820: Standard Solution, chlorine, 50-75 mg/L as Cl2, pk/20 - 2 mL PourRite ampules Solution 0.05 2.00 mg/L 10231 Spectrophotometer,TNTplus DPD Y   Contact Hach
Solution 0.5 mg/L and above Cl₂ 8334 Amperometric Buret Titration Method Y  
Solution 0 - 1,000 µg/L Cl₂ 10024 Y View
Solution 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View
34332: Potassium iodide solution, 30 g/L, 100 mL MDB Solution 0 4.00 mg/L 10245 DR800 DPD Powder Pillows Y   Contact Hach
Solution 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View
27249: Water, deionised and demineralised, 500mL Solution 0.5 mg/L and above Cl₂ 8334 Amperometric Buret Titration Method Y   Contact Hach
2700349: Phenylarsine Oxide (PAO) Titrant, 0.00564 N, 500 mL Solution 0.5 mg/L and above Cl₂ 8334 Amperometric Buret Titration Method Y   Contact Hach
127032: Sulfuric Acid Standard Solution, 1.000 N, 100 mL MDB Solution 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View Contact Hach
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