Which TNT+ vials require a digestion?

Document ID

Document ID TE6694

Version

Version 2.0

Status

Status Published

Published Date

Published Date 27/05/2017
Question
Which TNT+ vials require a digestion?
Summary
TNT+ digestions
Answer
The following TNT+ methods require a digestion.
Catalog Number/Order Code Description
TNT810 TOC - Total Organic Carbon (TNTplus), LR
TNT811 TOC - Total Organic Carbon (TNTplus), HR
TNT820 COD TNTplus, ULR
TNT821 COD TNTplus, LR
TNT822 COD TNTplus, HR
TNT823 COD TNTplus, UHR
TNT825 COD TNTplus, HR, Hg-Free
TNT843 Phosphorus, Total TNTplus, LR
TNT844 Phosphorus, Total TNTplus, HR
TNT845 Phosphorus, Total TNTplus, UHR
TNT872 Volatile Acids
TNT890 Metals Prep Set for TNTplus Vial Test
TNT880 Nitrogen, Simplified Total Kjeldahl
TNT826 Nitrogen, Total TNTplus, LR
TNT827 Nitrogen, Total TNTplus, HR
TNT828 Nitrogen, Total TNTplus, UHR

Several methods may not require a digestion to achieve a result, but for a total value to be recorded, a digestion may be necessary. For example Iron TNTplus Vial Test (0.2-6.0 mg/L Fe; Catalog Number/Order Code TNT858) for iron will test total dissolved iron. Metals Prep Set for TNTplus Vial Test (Catalog Number/Order Code TNT890) is required for a true total iron test.