Is there a difference between Phosphate 2 reagent and PhosVer® 3 reagent?

Document ID

Document ID TE377

Version

Version 2.0

Status

Status Published

Published Date

Published Date 27/05/2017
Question
Is there a difference between Phosphate 2 reagent and PhosVer® 3 reagent?
Summary
Difference between Phosphate 2 reagent and PhosVer® 3 reagent
Answer
Phosphate 2 uses a different reducing agent. If the reagent has turned yellow then the reagent may not be stable and provide accurate measurement.  You should analyze a primary standard to confirm test performance.