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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

Instrument, Test Kit, etc
NZD Price (Incl. GST)
2556900: Free Chlorine Reagent Set for chlorine analyser CL17/CL17sc Solution 0.02 - 2.00 mg/L Cl₂ 10059 DPD Rapid Liquid Method, Pour-Thru Cell™ DPD Rapid Liquid Method for Free Chlorine     Contact Hach
2314011: Free chlorine indicator solution for chlorine analyser CL17/CL17sc (473 mL) Solution 0.02 - 2.00 mg/L Cl₂ 10059 DPD Rapid Liquid Method, Pour-Thru Cell™ DPD Rapid Liquid Method for Free Chlorine     Contact Hach
2314111: Free chlorine buffer solution for chlorine analyser CL17/CL17sc (473 mL) Solution 0.02 - 2.00 mg/L Cl₂ 10059 DPD Rapid Liquid Method, Pour-Thru Cell™ DPD Rapid Liquid Method for Free Chlorine     Contact Hach
27256: Water, deionised and demineralised, 4L Solution 0.0 - 10.0 mg/L Cl2 10069 DR900 UHR   View Contact Hach
Solution 0.04 - 4.00 mg/L Cl2 Chemkeys for PPA - Free Chlorine ChemKeys for PPA - Free Chlorine Y  
Solution 0.1 - 5 mg/L Cl₂ AT1000 Amperometric Titration Automatic Titrator Method    
Solution 0.05 - 2.00 mg/L Cl2 10231 Spectrophotometer,TNTplus DPD Y  
Solution 0 - 4.00 mg/L 10245 DR800 DPD Powder Pillows DPD Method Powder Pillows Y  
Solution 0 - 1,000 µg/L Cl₂ 10024 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    
104732: Sodium Arsenite Solution, 5.0 g/L, 100 mL Solution 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View Contact Hach
Solution 0 - 4.00 mg/L 10245 DR800 DPD Powder Pillows DPD Method Powder Pillows Y  
Solution 0.0 - 10.0 mg/L Cl2 10069 DR900 UHR   View
Solution 0.09 - 5.00 mg/L Cl2 10102 DPD Test 'N Tube    
Solution 0.02 - 2.00 mg/L Cl₂ 10059 DPD Rapid Liquid Method, Pour-Thru Cell™ DPD Rapid Liquid Method for Free Chlorine    
Solution 0.1 - 10.0 mg/L Cl2 10069 DPD, HR Powder Pillows    
Solution 0.05 - 4.00 mg/L Cl2 10245 DPD, MR Powder Pillows    
2964926: Freechlor F Reagent Solution, 50 mL Solution 0.04 - 4.50 mg/L Cl₂ 10241 Powder Pillows Indophenol     Contact Hach
Solution 0.05 - 4.00 mg/L Cl2 10245 DPD, MR Powder Pillows    
1426810: Chlorine standard solution, 50-75 mg/L Cl₂ Solution 0.09 - 5.00 mg/L Cl2 10102 DPD Test 'N Tube     Contact Hach
Solution 0.04 - 4.00 mg/L Cl2 Chemkeys for PPA - Free Chlorine ChemKeys for PPA - Free Chlorine Y  
Solution 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View
Solution 0.1 - 8.0 mg/L Cl2 DPD PCII DR300 SwifTest Dispenser    
Solution 0.1 - 5 mg/L Cl₂ AT1000 Amperometric Titration Automatic Titrator Method    
Solution 0.5 mg/L and above Cl₂ 8334 Amperometric Buret Titration Method Y  
Solution 0.02 - 2.00 mg/L Cl₂ 10059 DPD Rapid Liquid Method, Pour-Thru Cell™ DPD Rapid Liquid Method for Free Chlorine    
Solution 0.1 - 10.0 mg/L Cl2 10069 DPD, HR Powder Pillows    
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 0.05 - 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
27249: Water, Deionized, 500 mL Solution 0.5 mg/L and above Cl₂ 8334 Amperometric Buret Titration Method Y   Contact Hach
2630020: Chlorine Standard Solution, 25-30 mg/L as Cl₂, pk/20 - 2 mL PourRite Ampules Solution 0.1 - 5 mg/L Cl₂ AT1000 Amperometric Titration Automatic Titrator Method     Contact Hach
Solution 0.02 - 2.00 mg/L Cl2 8021 DPD PCII DR300 SwifTest Dispenser    
Solution 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View
Solution 0.1 - 10.0 mg/L Cl2 10069 DPD, HR Powder Pillows    
Solution 0.09 - 5.00 mg/L Cl2 10102 DPD Test 'N Tube    
Solution 0.5 mg/L and above Cl₂ 8334 Amperometric Buret Titration Method Y  
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  
Solution 0.04 - 4.50 mg/L Cl₂ 10241 Powder Pillows Indophenol    
Solution 0 - 4.00 mg/L 10245 DR800 DPD Powder Pillows DPD Method Powder Pillows Y  
2700349: Phenylarsine Oxide (PAO) Titrant, 0.00564N, 500 mL 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  
2333353: Iodine Standard Solution, 0.0282 N, 1 L Solution 0.1 - 5 mg/L Cl₂ AT1000 Amperometric Titration Automatic Titrator Method     Contact Hach
1490932: Acetate Buffer Solution, pH 4.0, 100 mL Solution 0.1 - 5 mg/L Cl₂ AT1000 Amperometric Titration Automatic Titrator Method     Contact Hach
34332: Potassium Iodide Solution, 30 g/L, 100 mL MDB Solution 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View Contact Hach
Solution 0.0 - 10.0 mg/L Cl2 10069 DR900 UHR   View
Solution 0.1 - 10.0 mg/L Cl2 10069 DPD, HR Powder Pillows    
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