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

Document ID

Document ID TE4773

Version

Version 4.0

Status

Status Published

Published Date

Published Date 05/21/2019
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 (Product # TNT820) has been improved to run without a Zero-solution. A software update must be performed.

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