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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 customer's 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
NZD Price (Incl. GST)
2964926: Freechlor F Reagent Solution, 50 mL Solution 0.05 - 4.00 mg/L Cl2 10245 DPD, MR Powder Pillows     Contact Hach
Solution 0.04 - 4.50 mg/L Cl₂ 10241 Powder Pillows Indophenol    
1426810: Chlorine standard solution, 50-75 mg/L Cl₂ Solution 0.1 - 5 mg/L Cl₂ AT1000 Amperometric Titration Automatic Titrator Method     Contact Hach
Solution 0.04 - 4.00 mg/L Cl2 Chemkeys for PPA - Free Chlorine ChemKeys for PPA - Free Chlorine Y  
Solution 0.1 - 10.0 mg/L Cl2 10069 DPD, HR Powder Pillows    
Solution 0.1 - 8.0 mg/L Cl2 DPD PCII DR300 SwifTest Dispenser    
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 0.02 - 2.00 mg/L Cl₂ 10059 DPD Rapid Liquid Method, Pour-Thru Cell™ DPD Rapid Liquid Method for Free Chlorine    
Solution 0.09 - 5.00 mg/L Cl2 10102 DPD Test 'N Tube    
Solution 0.04 - 4.50 mg/L Cl₂ 10241 Powder Pillows Indophenol    
Solution 0.05 - 4.00 mg/L Cl2 10245 DPD, MR Powder Pillows    
Solution 0.05 - 2.00 mg/L Cl2 10231 Spectrophotometer,TNTplus DPD Y  
2641549: Dilution Water, Organic Free, 500 mL Solution 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View Contact Hach
Solution 0.05 - 4.00 mg/L Cl2 10245 DPD, MR Powder Pillows    
2630020: Chlorine Standard Solution, 25-30 mg/L as Cl₂, pk/20 - 2 mL PourRite Ampules Solution 0.05 - 4.00 mg/L Cl2 10245 DPD, MR Powder Pillows     Contact Hach
Solution 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View
Solution 0.02 - 2.00 mg/L Cl2 8021 DPD PCII DR300 SwifTest Dispenser    
Solution 0.5 mg/L and above Cl₂ 8334 Amperometric Buret Titration Method Y  
Solution 0.1 - 10.0 mg/L Cl2 10069 DPD, HR Powder Pillows    
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