ITEMS REQUIRED:
Iodine crystals: 3 gm-Methylated spirit: 30cc-Washing soda: 20gm-Water: 30cc-A beaker of 250ml-One glass rod-A spirit lamp
PROCEDURE:
Take about 20gm of washing soda (sodium carbonate) and dissolve it in 30cc of water in a beaker. Mix 30cc of water in a beaker. Add 3gm powder of iodine to this mixture and warm the beaker on the flame of a spirit lamp. Do not heat it. Go on stirring. A yellow shining solid will separate. Let the mixture cool. Dry the yellow solid on a blotting paper. This is used as iodoform. To make tincture iodine, take 5gms of iodine crystals and dissolve them in 5gm of potassium iodide solution prepared in 10cc of water. To this mixture add 250cc of rectified spirit. Your tincture iodine is ready. It can be used in healing wounds.
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