Does Hach have an ultra low range methods for total or reactive phosphorus?

Document ID

Document ID TE366

Version

Version 6.0

Status

Status Published

Published Date

Published Date 08/09/2018
Question
Does Hach have an ultra low range methods for total or reactive phosphorus?
Summary
 Ultra low range methods for total or reactive phosphorus
Answer
Application note Lit 2097 details a procedure that can be used for ultra low range total and reactive phosphorus. The concentration range for this procedure is 10 to 500 µg/L PO4-P and has a method detection limit (MDL) of 5.35 µg/L PO4-P for total phosphorous and 4.95 µg/L PO4-P for reactive phosphorus. This procedure requires Phosphorus (Reactive and Total) TNTplus Vial Test (Product # TNT843), Sample cell, 50 mm rectangular PMMA (Product # LZP341), and a DRB200 Digital Reactor Block for TNTplus with 13 mm vial wells.

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