Can a sample be diluted for COD analysis?

Document ID

Document ID TE238

Version

Version 2.0

Status

Status Published

Published Date

Published Date 27/05/2017
Question
Can a sample be diluted for COD analysis?
Summary
Diluting samples for COD analysis
Answer
Yes.  Dilute the sample first, and then add the appropriate volume (2 mL for most ranges, or 0.2 mL for HR+) of this dilution into the vial. Multiply the final answer by the dilution factor.