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Iodine Test for Starch, 2 of 3

Iodine Test for Starch, 2 of 3

C039/1249

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Credit

TURTLE ROCK SCIENTIFIC / SCIENCE PHOTO LIBRARY TURTLE ROCK SCIENTIFIC / SCIENCE PHOTO LIBRARY

Caption

Iodine test for starch, 2 of 3. Iodine test is used to determine presence of starch. Elemental iodine (I2) reacts with starch and produces purple-blue colour. Here a pipette is used to add Lugol's solution into a beaker with an aqueous solution of corn starch (0.01% concentration). Lugol's solution (Lugol's iodine) is an aqueous solution of iodine and potassium iodide.

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Model release not required. Property release not required.

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