COD Supplies


Hach offers Chemical Oxygen Demand (COD) testing supplies including TNTplus® vial reagents, benchtop spectrophotometers, and portable colorimeters that deliver fast, accurate results with a 2-hour digestion time. Their COD solutions support EPA-approved methods and are ideal for monitoring organic pollution in wastewater, surface water, and industrial effluents.

Core & Main Potassium Acid Phthalate, ACS Grade, 500 g
Quick View
Core & Main Potassium Acid Phthalate, ACS Grade, 500 g
$145.95

Mfr. Part # PA3000-K

Product # 707178

Core & Main Potassium Acid Phthalate, ACS Grade, 100 g
Quick View
Core & Main Potassium Acid Phthalate, ACS Grade, 100 g
$52.95

Mfr. Part # PA3000-J

Product # 707177

Core & Main COD Standard, 1000ppm, 500 mL
Quick View
Core & Main COD Standard, 1000ppm, 500 mL
$27.30

Mfr. Part # CO8445-P

Product # 706978

Hach Chemical Oxygen Demand (COD) Mercury-Free TNTplus Vial Test, HR, 25-1,000 mg/L COD, TNT82506
Quick View
Hach Chemical Oxygen Demand (COD) Mercury-Free TNTplus Vial Test, HR, 25-1,000 mg/L COD, TNT82506
$485.00

Mfr. Part # TNT82506

Product # 700147

Hach COD TNTplus Vial Test, UHR, 5,000-60,000 mg/L COD , 25 Tests, TNT824
Quick View
Hach COD TNTplus Vial Test, UHR, 5,000-60,000 mg/L COD, 25 Tests, TNT824
$88.59

Mfr. Part # TNT824

Product # 700145

Hach COD TNTplus Vial Test, LR, 3-150 mg/L COD , 150 Tests, TNT82106
Quick View
Hach COD TNTplus Vial Test, LR, 3-150 mg/L COD, 150 Tests, TNT82106
$488.00

Mfr. Part # TNT82106

Product # 700140

Hach COD TNTplus Vial Test, UHR, 250-15,000 mg/L COD , 150 Tests, TNT82306
Quick View
Hach COD TNTplus Vial Test, UHR, 250-15,000 mg/L COD, 150 Tests, TNT82306
$488.00

Mfr. Part # TNT82306

Product # 700144

Hach COD in Salt/Seawater, TNTplus Vial Test, HR, 70 - 1000 mg/L COD , 25 Tests, TNT816
Quick View
Hach COD in Salt/Seawater, TNTplus Vial Test, HR, 70 - 1000 mg/L COD, 25 Tests, TNT816
$85.55

Mfr. Part # TNT816

Product # 700135

Hach COD in Salt/Seawater, TNTplus Vial Test, LR, 7 - 70 mg/L COD , 25 Tests, TNT815
Quick View
Hach COD in Salt/Seawater, TNTplus Vial Test, LR, 7 - 70 mg/L COD, 25 Tests, TNT815
$85.55

Mfr. Part # TNT815

Product # 700134

Hach COD TNTplus Vial Test, ULR+, 1-60 mg/L COD , 150 Tests, TNT82006
Quick View
Hach COD TNTplus Vial Test, ULR+, 1-60 mg/L COD, 150 Tests, TNT82006
$488.00

Mfr. Part # TNT82006

Product # 700138

Hach COD Digestion Vials, Manganese III, pk/25, 2623425
Quick View
Hach COD Digestion Vials, Manganese III, pk/25, 2623425
$75.79

Mfr. Part # 2623425

Product # 701768

Hach COD Digestion Vials, Manganese III, pk/150, 2623415
Quick View
Hach COD Digestion Vials, Manganese III, pk/150, 2623415
$426.00

Mfr. Part # 2623415

Product # 701767

Hach COD2 Digestion Vials, HR, Mercury-Free, Pack of 150, 2565115
Quick View
Hach COD2 Digestion Vials, HR, Mercury-Free, Pack of 150, 2565115
$400.00

Mfr. Part # 2565115

Product # 701696

Hach COD Digestion Vials, Ultra Low Range, 1 to 40 mg/L COD, pk/25, 2415825
Quick View
Hach COD Digestion Vials, Ultra Low Range, 1 to 40 mg/L COD, pk/25, 2415825
$65.05

Mfr. Part # 2415825

Product # 701545

Hach COD Digestion Vials, Ultra Low Range, 1 to 40 mg/L COD, pk/150, 2415815
Quick View
Hach COD Digestion Vials, Ultra Low Range, 1 to 40 mg/L COD, pk/150, 2415815
$363.00

Mfr. Part # 2415815

Product # 701544

Hach COD Digestion Vials, High Range Plus, 200-15,000 mg/L COD, Pack of 25, 2415925
Quick View
Hach COD Digestion Vials, High Range Plus, 200-15,000 mg/L COD, Pack of 25, 2415925
$65.05

Mfr. Part # 2415925

Product # 701547

Hach COD Digestion Vials, High Range Plus, 200-15,000 mg/L COD, Pack of 150, 2415915
Quick View
Hach COD Digestion Vials, High Range Plus, 200-15,000 mg/L COD, Pack of 150, 2415915
$363.00

Mfr. Part # 2415915

Product # 701546

Hach COD Digestion Vials, Low Range, pk/25, 2125825
Quick View
Hach COD Digestion Vials, Low Range, pk/25, 2125825
$65.05

Mfr. Part # 2125825

Product # 701247

Hach COD Digestion Vials, High Range, pk/150, 2125915
Quick View
Hach COD Digestion Vials, High Range, pk/150, 2125915
$363.00

Mfr. Part # 2125915

Product # 701248

Hach COD Digestion Vials, High Range, pk/25, 2125925
Quick View
Hach COD Digestion Vials, High Range, pk/25, 2125925
$65.05

Mfr. Part # 2125925

Product # 701249

Hach COD Digestion Vials, Low Range, pk/150, 2125815
Quick View
Hach COD Digestion Vials, Low Range, pk/150, 2125815
$363.00

Mfr. Part # 2125815

Product # 701246

Hach COD TNTplus Vial Test, HR, 20-1,500 mg/L COD , 150 Tests, TNT82206
Quick View
Hach COD TNTplus Vial Test, HR, 20-1,500 mg/L COD, 150 Tests, TNT82206
$488.00

Mfr. Part # TNT82206

Product # 700142

Hach COD2 Digestion Vials, UHR, Mercury-Free, Pack of 25, 2834325
Quick View
Hach COD2 Digestion Vials, UHR, Mercury-Free, Pack of 25, 2834325
$70.55

Mfr. Part # 2834325

Product # 701962

Hach COD2 Digestion Vials, LR, Mercury-free, pk/25, 2565025
Quick View
Hach COD2 Digestion Vials, LR, Mercury-Free, Pack of 25, 2565025
$71.29

Mfr. Part # 2565025

Product # 701695

Hach COD2 Digestion Vials, HR, Mercury-Free, Pack of 25, 2565125
Quick View
Hach COD2 Digestion Vials, HR, Mercury-Free, Pack of 25, 2565125
$71.29

Mfr. Part # 2565125

Product # 701697

Hach COD TNTplus Vial Test, ULR, 1-60 mg/L COD , 25 Tests, TNT820
Quick View
Hach COD TNTplus Vial Test, ULR, 1-60 mg/L COD, 25 Tests, TNT820
$88.79

Mfr. Part # TNT820

Product # 700137

Hach COD TNTplus Vial Test, UHR, 250-15,000 mg/L COD , 25 Tests, TNT823
Quick View
Hach COD TNTplus Vial Test, UHR, 250-15,000 mg/L COD, 25 Tests, TNT823
$88.79

Mfr. Part # TNT823

Product # 700143

Hach COD TNTplus Vial Test, Mercury-Free, HR, 25-1,000 mg/L COD , 25 Tests, TNT825
Quick View
Hach COD TNTplus Vial Test, Mercury-Free, HR, 25-1,000 mg/L COD, 25 Tests, TNT825
$88.39

Mfr. Part # TNT825

Product # 700146

Hach COD TNTplus Vial Test, LR, 3-150 mg/L COD , 25 Tests, TNT821
Quick View
Hach COD TNTplus Vial Test, LR, 3-150 mg/L COD, 25 Tests, TNT821
$88.79

Mfr. Part # TNT821

Product # 700139

Hach COD TNTplus Vial Test, HR, 20-1,500 mg/L COD , 25 Tests, TNT822
Quick View
Hach COD TNTplus Vial Test, HR, 20-1,500 mg/L COD, 25 Tests, TNT822
$88.79

Mfr. Part # TNT822

Product # 700141

Hach COD Standard Solution, 300 mg/L as COD (NIST), 500 mL, 1218649
Quick View
Hach COD Standard Solution, 300 mg/L as COD (NIST), 500 mL, 1218649
$72.09

Mfr. Part # 1218649

Product # 700921

Hach COD Standard Solution, 800 mg/L as COD (NIST), 200 mL, 2672629
Quick View
Hach COD Standard Solution, 800 mg/L as COD (NIST), 200 mL, 2672629
$57.19

Mfr. Part # 2672629

Product # 701832

Hach COD Standard Solution, 1000 mg/L as COD (NIST), 200 mL, 2253929
Quick View
Hach COD Standard Solution, 1000 mg/L as COD (NIST), 200 mL, 2253929
$35.55

Mfr. Part # 2253929

Product # 701347

Hach COD Standard Solution, 300 mg/L as COD (NIST), 200 mL, 1218629
Quick View
Hach COD Standard Solution, 300 mg/L as COD (NIST), 200 mL, 1218629
$40.05

Mfr. Part # 1218629

Product # 700920