Iron Test Strip (0-500 PPM) 50 strips for measuring aqueous Fe2 (Ferrous) iron

Description These test strips work in aqueous solutions and on metallic surfaces in various industries. This test strip can also determine if a metal is ferrous or non-ferrous. Dissolved iron is therefore an important indication of the level of corrosion. How to test iron: Immerse the test strip in the solution being tested for 1 second. Shake off excess liquid. Wait 10 seconds. Compare the color change on the test pad with the color chart on the label. Learn more about iron, the different kinds of iron, and signs of iron in water.