CHEMetrics™ COD Reagent Vials

Contain premeasured reagents for accurate, economical determination of COD

Brand: CHEMetrics™

Manufacturer Part Number: K-7371S


UNSPSC: 41120000

Code: A0

Additional Details:
Additional Details: CAS Number: 7664-93-9 Weight: 0.30000kg Transport: UN number : 1830 Chem class : 1a Pack group : II

Product Code. 11813520

Quantity Price
1 £68.15 / 0.01 L
Estimated Shipment
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Description and Specification


Composition >64% Sulfuric Acid, <34% Deionized Water, <1% Mercuric Sulfate, <1% Silver Sulfate, <0.5% Potassium Dichromate
Range 0 to 15000ppm
For Use With (Application) Premeasured reagents for accurate, economical determination of COD, determination of the oxidizable organic matter content of wastewater
Includes Instruction book
Liner Material PTFE
No. of Tests 25.0
Test Method Mercury-free

  • No need to modify or recalibrate existing equipment or procedures
  • Optical-quality glass for accuracy
  • Available in mercury and mercury-free versions
  • Screw caps lined with PTFE for inertness
  • Standard 5/8 in. (16mm) diameter for compatibility with standard COD reactors and spectrophotometers; can also be used in micro-COD reactors
  • Follow the EPA-approved method for compliance reporting and use potassium dichromate as the oxidizing agent, silver sulfate as the catalyst, and mercury chloride to remove chloride interference
  • Mercury-free version uses the same oxidizing agent and catalyst without the chloride compensator


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