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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: COD (Chemical Oxygen Demand)

PN / Name
Platform
Range
Method
EPA Compliant
Instrument, Test Kit, etc
Web Price
2125925: COD Digestion Vials, High Range, pk/25 0 - 1,500 mg/L COD 8000 DR800 LR, MR, HR Y   Contact Hach
2125825: COD Digestion Vials, Low Range, pk/25 20 - 1500 mg/L 8000 Reactor Digestion Y   Contact Hach
3 - 150 mg/L 8000 Reactor Digestion Y  
0 - 150 mg/L COD 8000 DR800 LR, MR, HR Y  
2125915: COD Digestion Vials, High Range, pk/150 20 - 1500 mg/L 8000 Reactor Digestion Y   Contact Hach
2125815: COD Digestion Vials, Low Range, pk/150 3 - 150 mg/L 8000 Reactor Digestion Y   Contact Hach
2565025: COD2 Digestion Vials, LR, Mercury-free, pk/25 3 - 150 mg/L 8000 Reactor Digestion Y   Contact Hach
TNT822: Chemical Oxygen Demand (COD) TNTplus Vial Test, HR (20-1,500 mg/L COD), 25 Tests TNT plus 20 - 1,500 mg/L HR 8000 TNTplus LR, HR Y   Contact Hach
2415925: COD Digestion Vials, High Range Plus, 200 to 15,000 mg/L COD, pk/25 0 - 15,000 mg/L 8000 DR800 LR, MR, HR     Contact Hach
200 - 15,000 mg/L 8000 Reactor Digestion    
2415915: COD Digestion Vials, High Range Plus, 200 to 15,000 mg/L COD, pk/150 200 - 15,000 mg/L 8000 Reactor Digestion     Contact Hach
2253929: COD standard solution, 1000 mg/L O₂ (NIST), 200 mL Solution 25 - 1,000 mg/L 10236 TNTplus HR Mercury-Free Reactor Digestion     Contact Hach
Solution 3 - 150 mg/L LR 8000 TNTplus LR, HR Y  
Solution 70 - 700 mg/L COD (HR) 10299 TNTplus 816    
Solution 7 - 70 mg/L COD (LR) 10299 TNTplus 815    
Solution 250 - 15,000 mg/L 10212 TNTplus UHR    
Solution 3 - 150 mg/L 8000 Reactor Digestion Y  
Solution 20 - 1500 mg/L 8000 Reactor Digestion Y  
Solution 1.0 - 60.0 mg/L 10211 TNTplus ULR    
Solution 0.7 - 40.0 mg/L 8000 Reactor Digestion    
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