Define estimation of iron in any solution - minerals, Biology

Define Estimation of Iron in any Solution?

Iron can be determined calorimetrically. The principle is described next.

Principle

The iron is determined in the solution or digested sample by converting iron to ferric form using an oxidizing agent like potassium persulphate or hydrogen peroxide and treating it with potassium thiocyanate to form red ferric thiocyanate which is measured colorimetrically at 490 nm.

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