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
CAD Price
1490932: Acetate Buffer Solution, pH 4.0, 100 mL Solution 0.1 - 5 mg/L Cl₂ AT1000 Amperometric Titration Automatic Titrator Method     Contact Hach
2197846-CA: DPD Free Chlorine Reagent Powder Pillows, 5 mL, pk/50 Powder Pillows 0 - 2.5 mg/L DPD Color Disc   View Contact Hach
2893300: SpecCheck Secondary Gel Standards Set, DPD Chlorine - HR 0.1 - 10.0 mg/L Cl2 10069 DPD, HR Powder Pillows     Contact Hach
2105503-CA: DPD Free Chlorine Reagent Powder Pillows, 10 mL, pk/300 Powder Pillows 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View
OBSOLETE
Powder Pillows 0.1 - 10.0 mg/L Cl2 10069 DPD, HR Powder Pillows    
2700349: Phenylarsine Oxide (PAO) Titrant, 0.00564N, 500 mL Solution 0.5 mg/L and above Cl₂ 8334 Amperometric Buret Titration Method Y   Contact Hach
Solution 0 - 1,000 µg/L Cl₂ 10024 Y View
27249: Water, Deionized, 500 mL Solution 0.5 mg/L and above Cl₂ 8334 Amperometric Buret Titration Method Y   Contact Hach
1426820: Chlorine Standard Solution, 50-75 mg/L as Cl2, pk/20 - 2 mL PourRite« Ampules Solution 0.1 - 10.0 mg/L Cl2 10069 DPD, HR Powder Pillows     Contact Hach
Solution 0.1 - 8.0 mg/L Cl2 DPD PCII DR300 SwifTest Dispenser    
Solution 0.09 - 5.00 mg/L Cl2 10102 DPD Test 'N Tube    
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 0.05 - 4.00 mg/L Cl2 10245 DPD, MR Powder Pillows    
Solution 0.0 - 10.0 mg/L Cl2 10069 DR900 UHR   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 - 1,000 µg/L Cl₂ 10024 Y View
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
2105545-CA: DPD Free Chlorine Reagent, Test 'N Tube Vials, pk/50 Test 'N Tube 0.09 - 5.00 mg/L Cl2 10102 DPD Test 'N Tube     Contact Hach
Test 'N Tube 0 - 5.00 mg/L 10102 DR800, Test 'N Tube DPD    
2630020-CA: Chlorine Standard Solution, 25-30 mg/L as Cl₂, pk/20 - 2 mL PourRite Ampules Solution 0.02 - 2.00 mg/L Cl2 8021 DPD PCII DR300 SwifTest Dispenser     Contact Hach
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  
Solution 0.1 - 10.0 mg/L Cl2 10069 DPD, HR Powder Pillows    
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 0.05 - 4.00 mg/L Cl2 10245 DPD, MR Powder Pillows    
Solution 0.1 - 5 mg/L Cl₂ AT1000 Amperometric Titration Automatic Titrator Method    
Solution 0.09 - 5.00 mg/L Cl2 10102 DPD Test 'N Tube    
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
2155353: Buffer, Phosphate Type, pH 7.0, 1 L Solution 0.1 - 5 mg/L Cl₂ AT1000 Amperometric Titration Automatic Titrator Method     Contact Hach
2440400-CA: Reagent set, chlorine, DPD free & total chlorine, 25 mL sample 0 - 3.5 mg/L DPD Color Disc   View Contact Hach
244953: Sulfuric Acid Standard Solution, 5.25 N, 1 L 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
199917: Phenylarsine Oxide (PAO) Standard Solution, 0.00564 N, 3.78 L Solution 0 - 1,000 µg/L Cl₂ 10024 Y View Contact Hach
2438800-CA: Chlorine (Free and Total) Reagent Set, DPD 5 mL 0 - 3.5 mg/L DPD Color Disc   View Contact Hach
2333353: Iodine Standard Solution, 0.0282 N, 1 L Solution 0.1 - 5 mg/L Cl₂ AT1000 Amperometric Titration Automatic Titrator Method     Contact Hach
2155332: Buffer, Phosphate Type, pH 7, for Amperometric Chlorine, 100 mL MDB Solution 0.1 - 5 mg/L Cl₂ AT1000 Amperometric Titration Automatic Titrator Method     Contact Hach
Solution 0 - 1,000 µg/L Cl₂ 10024 Y View
Solution 0.5 mg/L and above Cl₂ 8334 Amperometric Buret Titration Method Y  
104732: Sodium Arsenite Solution, 5.0 g/L, 100 mL Solution 0.09 - 5.00 mg/L Cl2 10102 DPD Test 'N Tube     Contact Hach
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    
127032: Sulfuric Acid Standard Solution, 1.000 N, 100 mL MDB Solution 0.09 - 5.00 mg/L Cl2 10102 DPD Test 'N Tube     Contact Hach
Solution 0 - 4.00 mg/L 10245 DR800 DPD Powder Pillows DPD Method Powder Pillows Y  
104732: Sodium Arsenite Solution, 5.0 g/L, 100 mL Solution 0.1 - 10.0 mg/L Cl2 10069 DPD, HR Powder Pillows     Contact Hach
127032: Sulfuric Acid Standard Solution, 1.000 N, 100 mL MDB Solution 0.05 - 4.00 mg/L Cl2 10245 DPD, MR Powder Pillows     Contact Hach
Solution 0.1 - 10.0 mg/L Cl2 10069 DPD, HR Powder Pillows    
104732: Sodium Arsenite Solution, 5.0 g/L, 100 mL Solution 0.0 - 10.0 mg/L Cl2 10069 DR900 UHR   View Contact Hach
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