Does Hach have a method for measuring ferric iron?

Document ID

Document ID TE330

Version

Version 2.0

Status

Status Published

Published Date

Published Date 27/05/2017
Question
Does Hach have a method for measuring ferric iron?
Summary
Measuring ferric iron
Answer
Hach does not have a single method for testing ferric iron, however ferric iron can be determined by measuring total iron and ferrous iron (Fe2+), then subtracting the ferrous iron result from the total iron result:

ferric iron = total iron - ferrous iron