DETERMINATION OF FAT PERCENTAGE Of MILK

  There are 2 methods of calculating fat percentage.

1. Gurber method
2. Milkotestominer method.

GURBER METHOD

APPARATUS:

Butyrometer and centrifuge machine.

                                               

CHEMICAL AGENTS:

H2SO4 and amyl alcohol.

PROCEDURE:

Take 10 ml H2SO4, 11 ml milk sample and 1 ml amyl alcohol in Buterometer. Then tight a cork on it. Then stir it gently. When it will become a solution, put it in centrifuge machine for 5 mints. At least 2 Buterometers should be put in centrifuge at a time on alternate position for maintaining a balance. Take it out after 5 mints. See the fat that blows up. Take reading, digits directly reflect the fat %age.

(OFFERED BY Mr.ZEESHAN JAVED)

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