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
2630020-CA: Chlorine Standard Solution, 25-30 mg/L as Cl₂, pk/20 - 2 mL PourRite Ampules 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    
Solution 0.1 - 10.0 mg/L Cl2 10069 DPD, HR Powder Pillows    
Solution 0.02 - 2.00 mg/L Cl2 8021 DPD PCII DR300 SwifTest Dispenser    
Solution 0.1 - 5 mg/L Cl₂ AT1000 Amperometric Titration Automatic Titrator Method    
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    
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
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
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
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 0.05 - 4.00 mg/L Cl2 10245 DPD, MR Powder Pillows    
Solution 0.1 - 10.0 mg/L Cl2 10069 DPD, HR 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    
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 0.05 - 4.00 mg/L Cl2 10245 DPD, MR Powder Pillows    
104532: Sodium Hydroxide Standard Solution, 1.000 N, 100 mL MDB Solution 0.05 - 4.00 mg/L Cl2 10245 DPD, MR Powder Pillows     Contact Hach
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