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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)
2197846: DPD Free Chlorine Reagent Powder Pillows, 5 mL, pk/50 Powder Pillows 0 - 2.5 mg/L DPD Color Disc   View Contact Hach
2438800: Chlorine (Free and Total) Reagent Set, DPD 5 mL 0 - 3.5 mg/L DPD Color Disc   View 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 0.02 - 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 0.0 - 10.0 mg/L Cl2 10069 DR900 UHR   View
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 0.1 - 10.0 mg/L Cl2 10069 DPD, HR Powder Pillows     Contact Hach
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    
199849: Phenylarsine Oxide (PAO) Standard Solution, 0.000564 N, 500 mL 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 0.0 - 10.0 mg/L Cl2 10069 DR900 UHR   View Contact Hach
199849: Phenylarsine Oxide (PAO) Standard Solution, 0.000564 N, 500 mL Solution 0 - 10 mg/L Cl₂ 8335 Amperometric Titration     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
104532: Sodium Hydroxide Standard Solution, 1.000 N, 100 mL MDB Solution 0.1 - 10.0 mg/L Cl2 10069 DPD, HR Powder Pillows     Contact Hach
2259901: Phenylarsine Oxide (PAO) Digital Titrator Cartridge, 0.00451 N Digital Titrator 0 - 10 mg/L Cl₂ 8335 Amperometric Titration     Contact Hach
104532: Sodium Hydroxide Standard Solution, 1.000 N, 100 mL MDB Solution 0.09 - 5.00 mg/L Cl2 10102 DPD Test 'N Tube     Contact Hach
2142001: Phenylarsine Oxide (PAO) Digital Titrator Cartridge, 0.0451 N Digital Titrator 0 - 10 mg/L Cl₂ 8335 Amperometric Titration     Contact Hach
104532: Sodium Hydroxide Standard Solution, 1.000 N, 100 mL MDB Solution 0.0 - 10.0 mg/L Cl2 10069 DR900 UHR   View Contact Hach
199953: Phenylarsine Oxide (PAO) Standard Solution, 0.00564 N, 1 L Solution 0.1 - 5 mg/L Cl₂ AT1000 Amperometric Titration Automatic Titrator Method     Contact Hach
Solution 0 - 10 mg/L Cl₂ 8335 Amperometric Titration    
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
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
2440400: Chlorine Reagent Set, DPD Free and Total Chlorine, 25-mL sample 0 - 3.5 mg/L DPD Color Disc   View Contact Hach
2105545: 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    
OBSOLETE
Test 'N Tube 0 - 5.00 mg/L 10102 DR800, Test 'N Tube DPD    
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