Do the TNT+ reagents for COD have the same chloride interference as the traditional TNT vials?

Document ID

Document ID TE250

Published Date

Published Date 27/05/2017
Question
Do the TNT+ reagents for COD have the same chloride interference as the traditional TNT vials?
Summary
Chloride interference in TNT vs. TNT+
Answer
Yes, chloride has the same interference in the TNT+ reagents (TNT820, TNT821, TNT822, and TNT823). TNT+ reagents also have the same amount of mercuric sulfate added and utilize the same table for chloride interference.