Preparation of Weak Iodine Solution I.P.

Aim: To prepare and submit weak Iodine solution I.P. 

Requirement: Iodine, Potassium iodide, Alcohol 50%, Beaker, Glass rod, Measuring cylinder, etc. 

Theory: The iodine is very slightly soluble in water. Its solubility can be increased by potassium iodide. Potassium iodide reacts with iodine to form polyiodide, which is more soluble in 50% alcohol. As the preparation is used internally as well as externally, 50% alcohol is used as a vehicle. Alcohols absorb heat from the body and get evaporated, thereby causing a cooling effect. 

Formula: 

IngredientsStandard formula
Iodine20 ml 
Potassium iodide25 ml 
Alcohol 50% q.s.1000 ml 

Procedure: 

Depending upon the quantity of preparation to be submitted, the working formula is calculated. 

  1. Dissolve potassium iodide and Iodine in three fourth quantity of alcohol. 
  2. Add a sufficient amount of alcohol to produce the required volume. 

Category: Antiseptic iodine supplement in the hypothyroid. 

Storage: Store in a well-closed container and keep in a cool place. 

Labeling: FOR EXTERNAL USE ONLY

Make sure you also check our other amazing Article on : Preparation of Iodine Paint
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