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Water Quality Testing Parameters and Their Chemistries, Reagents, and Standards

Water Quality Testing Parameters and Their Chemistries, Reagents, and Standards
Hach is dedicated to providing high-quality reagents for routine and challenging water analysis. Understanding our customers applications has allowed us to formulate reagents that ensure exceptional performance and deliver trusted results. Hach chemistries are rigorously tested in combination with our packaging and instruments to ensure the highest possible system performance. Our portfolio includes: TNT (Test ‘N Tube) Vials, TNTplus Vials, Permachem Powder Pillows, and Accuvac Ampules.
 
Browse Products by Parameter

Products: Chlorine, Free

PN / Name
Platform
Range
Method
EPA Compliant
Instrument, Test Kit, etc
Web Price
34332: Potassium iodide solution, 30 g/L, 100 mL MDB Solution 0 - 4.00 mg/L 10245 DR800 DPD Powder Pillows DPD Method Powder Pillows Y   Contact Hach
Solution 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View
27256: Water, deionised and demineralised, 4L Solution 0 - 4.00 mg/L 10245 DR800 DPD Powder Pillows DPD Method Powder Pillows Y   Contact Hach
Solution 0 - 1,000 µg/L Cl₂ 10024 Y View
Solution 0.05 - 2.00 mg/L Cl2 10231 Spectrophotometer,TNTplus DPD Y  
Solution 0.04 - 4.00 mg/L Cl2 Chemkeys for PPA - Free Chlorine ChemKeys for PPA - Free Chlorine Y  
1426820: Chlorine Standard Solution, 50-75 mg/L as Cl2, pk/20 - 2 mL PourRite« Ampules Solution 0.05 - 2.00 mg/L Cl2 10231 Spectrophotometer,TNTplus DPD Y   Contact Hach
Solution 0.5 mg/L and above Cl₂ 8334 Amperometric Buret Titration Method Y  
Solution 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View
Solution 0 - 1,000 µg/L Cl₂ 10024 Y View
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