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Chemical Oxygen Demand (COD) Vials

Save up to 35% with CHEMetrics® COD Vials

No Difference

CHEMetrics® COD Vials can be used directly with any Hach® factory-programmed instrument calibrations, at savings of up to 35%! See our Performance Data Report showing CHEMetrics COD Vial performance in Hach† instrumentation.

  • USEPA-accepted for wastewater analysis
  • Lower cost per test - save up to 35%
  • Mercury-free method also available
  • Compact and eco-friendly packaging
  • Spectrophotometer compatible - no need to modify existing equipment or procedures
  • Product support with a personal touch
  • Space efficient disposal service option

Contact us for a quotation or for our latest Catalogue and Price List.

Click here for technical information on the CHEMetrics® COD reagent vial method.

COD Reagent Vials*

Kit Cat. No. No. Tests Range (ppm) USEPA-Accepted Hach† Equivalent
K-7350S 25 0 - 150 Yes 21258-25
K-7360S 25 0 - 1,500 Yes 21259-25
K-7370S 25 0 - 15,000 No 24159-25
K-7355 150 0 - 150 Yes 21258-15
K-7365 150 0 - 1,500 Yes 21259-15
K-7375 98 0 - 15,000 No 24159-15

Mercury-free COD Reagent Vials

Kit Cat. No. No. Tests Range (ppm) USEPA-Accepted Hach† Equivalent
K-7351S 25 0 - 150 No 25650-25
K-7361S 25 0 - 1,500 No 25651-25
K-7371S 25 0 - 15,000 No 28343-25
K-7356 150 0 - 150 No N/A
K-7366 150 0 - 1,500 No 25651-15
K-7376 98 0 - 15,000 No N/A

Note: All kits contain identical no. of tests to Hach† equivalent with exception of K-7375, where 24159-15 contains 150 tests. USEPA-accepted COD Vials can be used for NPDES reporting.


* Contains mercury.  Dispose according to county, national or EU laws.

† No endorsement by Hach Company is implied or intended.


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