The reading has to be done quickly before the milk cools. Acid pipette for sulphuric acid (with rubber suction device). Stoppers and shaker stands for butyrometers made from a suitable grade of rubber or plastics. Sulphuric acid is used to dissolve the protein that forms the membrane around the fat (fat globules) and amyl alcohol is added to improve the separation of fat from other solids. There are many analytical methods for the determination of the fat content of milk the Gerber test is widely used all over. The traditional standard reference method for fat analysis is based on either weight or volumetric determination. Use: test for grading or payment system.Īdvantages: relatively simple to use. Objective: To determine the fat level in milk by Gerber method. NZS 2246:1969 Methods for the chemical analysis of liquid milk and cream.ĭetermination of Fat in Milk by Gerber Method. Gerber method for the determination of fat in milk and milk products - Methods: Amendment A. Accuracy of Fat Estimation by Gerber's Method (Trans, title. IDF 105:2008 specifies the characteristics of seven types of butyrometer for use in the determination of the fat content of whole milk, partly skimmed milk and skimmed milk by the Gerber method specified in ISO.
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