Apparatus required :-

1. 50 ml capacity density bottle withstopper

2. A constant temperature water bath (27 ̊C)

3. Oven with a range of 105 to 110 ̊C

4. Vacuum desiccators

5. Vacuum pump

6. Other accessories, such as, weighing balance accurate to 0.001g, trays, wooden mallet etc.