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MultiTest Iron
Q: Does your iron kit measure EDTA chelated iron?
A: Our iron kit will measure EDTA iron, but it takes about 20 minutes as
opposed to less than 2 minutes for non-EDTA iron. In general, an iron test
kit that can measure EDTA chelated iron must have provisions for creating
conditions in the test that will cause the release of iron from the EDTA
chelate before it can be reacted with an indicator dye. Since EDTA is an
exceptionally strong chelator, this is not always easy or reliable.