Does a high phosphate content interfere in the COD measurement?

Document ID

Document ID TE10841

Version

Version 2.0

Status

Status Published

Published Date

Published Date 04/30/2019
Question
Does a high phosphate content interfere in the COD measurement?
Summary
Phosphate in COD measurement
Answer
In the COD Method 8000 only chloride is listed as an interfering ion. All other ions count as COD content so phosphate should not interfere.
 

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