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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)
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: DPD Free Chlorine Reagent Powder Pillows, 25 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 - 4.00 mg/L 10245 DR800 DPD Powder Pillows DPD Method Powder Pillows Y  
2105528: DPD Free Chlorine Reagent Powder Pillows, 10 mL, pk/1000 Powder Pillows 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View Contact Hach
2635300: SpecCheck Secondary Gel Standards Set, DPD Chlorine - LR 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View Contact Hach
2105560: DPD Free Chlorine Reagent, Swiftest™ Dispenser Refill Vial, 250 Tests Swiftest 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View Contact Hach
27256: Water, deionised and demineralised, 4L Solution 0.05 - 2.00 mg/L Cl2 10231 Spectrophotometer,TNTplus DPD Y   Contact Hach
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 0.04 - 4.00 mg/L Cl2 Chemkeys for PPA - Free Chlorine ChemKeys for PPA - Free Chlorine Y  
2802300: DPD Free Chlorine Reagent, Swiftest™ Dispenser Swiftest 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View Contact Hach
1407028: DPD Free Chlorine Reagent Powder Pillows, 25 mL pk/1000 Powder Pillows 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View Contact Hach
104732: Sodium Arsenite Solution, 5.0 g/L, 100 mL Solution 0 - 4.00 mg/L 10245 DR800 DPD Powder Pillows DPD Method Powder Pillows Y   Contact Hach
Solution 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View
2459500: Chlorine (Free and Total) Reagent Set, DPD, 10 mL 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View Contact Hach
1426810: Chlorine standard solution, 50-75 mg/L Cl₂ Solution 0.04 - 4.00 mg/L Cl2 Chemkeys for PPA - Free Chlorine ChemKeys for PPA - Free Chlorine Y   Contact Hach
Solution 0.5 mg/L and above Cl₂ 8334 Amperometric Buret Titration Method Y  
Solution 0.05 - 2.00 mg/L Cl2 10231 Spectrophotometer,TNTplus DPD Y  
Solution 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View
2641549: Dilution Water, Organic Free, 500 mL Solution 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View Contact Hach
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 0.5 mg/L and above Cl₂ 8334 Amperometric Buret Titration Method Y   Contact Hach
Solution 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View
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  
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
TNT866: Free 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
2502025: Free Chlorine Reagent, Accuvac Ampules, DPD, pk/25 Accuvac 0 - 2.00 mg/L 8021 DR800, Powder Pillows or AccuVac® Y View Contact Hach
Accuvac 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View
34332: Potassium Iodide Solution, 30 g/L, 100 mL MDB Solution 0 - 4.00 mg/L 10245 DR800 DPD Powder Pillows DPD Method Powder Pillows Y   Contact Hach
2155332: Buffer, Phosphate Type, pH 7, for Amperometric Chlorine, 100 mL MDB Solution 0.5 mg/L and above Cl₂ 8334 Amperometric Buret Titration Method Y   Contact Hach
199901: Phenylarsine Oxide (PAO) Digital Titrator Cartridge, 0.00564 N Digital Titrator 0 - 1,000 µg/L Cl₂ 10024 Y View 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
2155332: Buffer, Phosphate Type, pH 7, for Amperometric Chlorine, 100 mL MDB Solution 0 - 1,000 µg/L Cl₂ 10024 Y View Contact Hach
1426820: Chlorine Standard Solution, 50-75 mg/L as Cl2, pk/20 - 2 mL PourRite« Ampules Solution 0.05 - 2.00 mg/L Cl2 10231 Spectrophotometer,TNTplus DPD Y   Contact Hach
127032: Sulfuric Acid Standard Solution, 1.000 N, 100 mL MDB Solution 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View Contact Hach
199849: Phenylarsine Oxide (PAO) Standard Solution, 0.000564 N, 500 mL Solution 0.5 mg/L and above Cl₂ 8334 Amperometric Buret Titration Method Y   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
104532: Sodium Hydroxide Standard Solution, 1.000 N, 100 mL MDB Solution 0 - 4.00 mg/L 10245 DR800 DPD Powder Pillows DPD Method Powder Pillows Y   Contact Hach
199953: Phenylarsine Oxide (PAO) Standard Solution, 0.00564 N, 1 L 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 0.5 mg/L and above Cl₂ 8334 Amperometric Buret Titration Method Y   Contact Hach
127032: Sulfuric Acid Standard Solution, 1.000 N, 100 mL MDB Solution 0 - 4.00 mg/L 10245 DR800 DPD Powder Pillows DPD Method Powder Pillows Y   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
27253: Water, deionised and demineralised, 1000 mL Solution 0.5 mg/L and above Cl₂ 8334 Amperometric Buret Titration Method Y   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
1426820: Chlorine Standard Solution, 50-75 mg/L as Cl2, pk/20 - 2 mL PourRite« Ampules Solution 0 - 1,000 µg/L Cl₂ 10024 Y View Contact Hach
104532: Sodium Hydroxide Standard Solution, 1.000 N, 100 mL MDB Solution 0.02 - 2.00 mg/L Cl2 8021 DPD Powder Pillows or AccuVac® Y View Contact Hach
9429000: Free Chlorine Chemkey® Reagents Chemkeys 0.04 - 4.00 mg/L Cl2 Chemkeys for PPA - Free Chlorine ChemKeys for PPA - Free Chlorine Y   Contact Hach
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