What can be causing double peaks on a Lachat total phosphorous method?

Document ID

Document ID TE7971

Version

Version 2.0

Status

Status Published

Published Date

Published Date 05/15/2018
Question
What can be causing double peaks on a Lachat total phosphorous method?
Summary
Lachat total phosphorous double peaks
Answer
If the ascorbic acid has gone bad, it can cause double peaks. Try using fresh ascorbic acid.

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