Hanna Instruments Iron Reagent 721-25 (Pack of 25)

Description

The HI 721-25 is a set of 25 iron reagent packets for use with the HI 721 iron colorimeter.

A reaction between the reagent and iron in a sample causes an orange tint to appear, which is measured by the meter. The meter uses an Adaptation of the EPA Phenantroline method 315B, for natural and treated waters to determine the amount of iron present.