Why does TNT820 for Chemical Oxygen Demand not have a Zero Vial?

Document ID

Document ID TE4773

Version

Version 2.0

Status

Status Published

Published Date

Published Date 27/05/2017
Question
Why does TNT820 for Chemical Oxygen Demand not have a Zero Vial?
Summary
TNT820 Zero Vial.
Answer
Chemical Oxygen Demand (COD) TNTplus Vial Test, ULR (1-60 mg/L COD; Catalog Number/Order Code TNT820) has been improved to run without a Zero-solution. A software update must be performed.