10 ppm Chemical Oxygen Demand Standard

This highly accurate 10 ppm Chemical Oxygen Demand (COD) Calibration Standard, can be used to calibrate, control, verify or validate all COD Test Methods. The product yields an accurate test result of 10 ppm. Achieving this correct result increases significantly the confidence of the analyst in the correct COD reading of the sample.
- The COD Standards are ideal for use as Control Standards to verify that correct analysis for COD has taken place. Achieving an acceptable result for the Control Standard will improve confidence in sample readings for this important environmental parameter.
- Used as a Control Standard; or for Validation or Qualification.
- Directly traceable to NIST standard reference materials.
- Run Control with each set of samples.
- Prepare and analyse in exactly the same way as samples.
- Manufactured to exacting specifications with an extended shelf life and stability.
- Proven compliance with EPA.
- Compatible with any instrument.

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