1.Machine/ Apparatus used : Burette, Pipette, Beaker, Balance.
2.Reagent: Iodine , Potassium Iodide (KI), Ethyl Alcohol
3.Preparation of Iodine Solution:
                        Dissolved 10 gm of Potassium Iodide (KI) in 100 ml
Of water, add 0.6 gm of the Iodine & shake till complete dissolution. Full with water up to 800 ml mark and then with Ethyl Alcohol up to 1 liter.
4. Application:
                    Put the fabrics sample into the Iodine solution for 1 min & immediately compare with result with the violet scale.
       
                        Scale range 1-9