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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
2105569: Free Chlorine DPD Reagent Powder Pillows, 10 mL, pk/100 Powder Pillows 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View Contact Hach
Powder Pillows 0 - 2.00 mg/L 8021 DR800, Powder Pillows or AccuVac® Y View
1407099: Free Chlorine Reagent Powder Pillows, DPD (pk/100) Powder Pillows 0.05 - 4.00 mg/L Cl2 10245 DPD, MR Powder Pillows     Contact Hach
Powder Pillows 0.1 - 10.0 mg/L Cl2 10069 DPD, HR Powder Pillows    
Powder Pillows 0 - 4.00 mg/L 10245 DR800 DPD Powder Pillows DPD Method Powder Pillows Y  
Powder Pillows 0.0 - 10.0 mg/L Cl2 10069 DR900 UHR   View
Powder Pillows 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View
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
2105528: Free Chlorine DPD Reagent Powder Pillows, 10 mL, pk/1000 Powder Pillows 0.1 - 10.0 mg/L Cl2 10069 DPD, HR Powder Pillows     Contact Hach
Powder Pillows 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View
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
2297255: DPD Indicator Powder, free + total, 24g Jar 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
1490932: Acetate Buffer Solution, pH 4.0, 100 mL Solution 0.1 - 5 mg/L Cl₂ AT1000 Amperometric Titration Automatic Titrator Method     Contact Hach
1407028: Free Chlorine Reagent Powder Pillows, DPD (pk/1000) Powder Pillows 0.1 - 10.0 mg/L Cl2 10069 DPD, HR Powder Pillows     Contact Hach
Powder Pillows 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View
Powder Pillows 0.05 - 4.00 mg/L Cl2 10245 DPD, MR Powder Pillows    
34332: Potassium iodide solution, 30 g/L, 100 mL MDB Solution 0.09 - 5.00 mg/L Cl2 10102 DPD Test 'N Tube     Contact Hach
Solution 0.1 - 10.0 mg/L Cl2 10069 DPD, HR Powder Pillows    
Solution 0.02 - 2.00 mg/L Cl₂ 10059 DPD Rapid Liquid Method, Pour-Thru Cell™ DPD Rapid Liquid Method for Free Chlorine    
Solution 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View
Solution 0.0 - 10.0 mg/L Cl2 10069 DR900 UHR   View
Solution 0 - 4.00 mg/L 10245 DR800 DPD Powder Pillows DPD Method Powder Pillows Y  
Solution 0.05 - 4.00 mg/L Cl2 10245 DPD, MR Powder Pillows    
27256: Water, deionised and demineralised, 4L Solution 0.0 - 10.0 mg/L Cl2 10069 DR900 UHR   View Contact Hach
Solution 0.05 - 2.00 mg/L Cl2 10231 Spectrophotometer,TNTplus DPD 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    
Solution 0.1 - 5 mg/L Cl₂ AT1000 Amperometric Titration Automatic Titrator Method    
Solution 0 - 4.00 mg/L 10245 DR800 DPD Powder Pillows DPD Method Powder Pillows Y  
Solution 0.04 - 4.00 mg/L Cl2 Chemkeys for PPA - Free Chlorine ChemKeys for PPA - Free Chlorine Y  
2802299: Monochlor F Reagent Powder Pillows, pk/100 Powder Pillows 0.05 - 4.00 mg/L Cl2 10245 DPD, MR Powder Pillows     Contact Hach
TNT867: Free and Total Chlorine TNTplus Vial Test (0.05-2.00 mg/L Cl₂), 24 Tests TNT plus 0.05 - 2.00 mg/L Cl2 10231 Spectrophotometer,TNTplus DPD Y   Contact Hach
2802299: Monochlor F Reagent Powder Pillows, pk/100 Powder Pillows 0.04 - 4.50 mg/L Cl₂ 10241 Powder Pillows Indophenol     Contact Hach
2197846: DPD Free Chlorine Reagent Powder Pillows, 5 mL, pk/50 Powder Pillows 0 - 2.5 mg/L DPD Color Disc     Contact Hach
2635300: SpecCheck Gel secondary standard Kit, LR chlorine, DPD, 0-2.0 mg/L Cl₂ 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View Contact Hach
1426820: Chlorine Standard Solution, 50-75 mg/L as Cl2, pk/20 - 2 mL PourRite« Ampules 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    
Solution 0.04 - 4.50 mg/L Cl₂ 10241 Powder Pillows Indophenol    
Solution 0.05 - 2.00 mg/L Cl2 10231 Spectrophotometer,TNTplus DPD Y  
Solution 0 - 1,000 µg/L Cl₂ 10024 Y View
Solution 0.5 mg/L and above Cl₂ 8334 Amperometric Buret Titration Method Y  
Solution 0.0 - 10.0 mg/L Cl2 10069 DR900 UHR   View
Solution 0.1 - 8.0 mg/L Cl2 DPD PCII DR300 SwifTest Dispenser    
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 0.1 - 10.0 mg/L Cl2 10069 DPD, HR Powder Pillows    
2502025: Free Chlorine Reagent, Accuvac Ampules, DPD, pk/25 Accuvac 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View Contact Hach
Accuvac 0 - 2.00 mg/L 8021 DR800, Powder Pillows or AccuVac® Y View
2893300: SpecCheck Chlorine Secondary Gel Standards Kit, DPD, 0-8.0 mg/L Cl₂ 0.1 - 10.0 mg/L Cl2 10069 DPD, HR Powder Pillows     Contact Hach
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