The HI-721-25 are high-quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their Iron Checker® HC. These reagents follow the Phenanthroline Method in which the reaction between iron and reagent causes an orange tint in the sample. By simply adding the packet of HI-721-25 reagent to the sample, the reaction will take place and the HI-721 will determine the concentration from the colour that is produced. The results will be displayed in ppm (mg/L) of iron. These reagents are designed to be used with samples that have an expected range of 0.00 to 5.00 ppm (mg/L) iron.
A.Trying to pick out the correct test can prove to be a challenge. There are a number of different tests available from Hach to test for Iron and you will need to select the most appropriate test for the specific form of iron you are testing for. Iron can be present in natural and treated water. The presence of excess iron can have negative impacts for instance insoluble deposits (rust) can ...
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