Should ammonia or ammonium standards be used on ammonia and ammonium methods?

Document ID

Document ID TE3535

Version

Version 2.0

Status

Status Published

Published Date

Published Date 27/05/2017
Question
Should ammonia or ammonium standards be used on ammonia and ammonium methods?
Summary
Standards for ammonia and ammonium methods.
Answer
In both Hach colorimetric and electrochemical ammonia/ammonium methods, there is no difference in the standards needed for calibration/verification. Ammonia standards can be used in all cases.