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DAIRY LABORATORY GUIDE 



EXERCISE 6 



TESTING CREAM 



Object: To determine the percentage of butter-fat in 

 cream by the Babcock method. 



Apparatus: Samples of cream, two cream test bottles, 

 cream test scale, and testing outfit. 



Steps: 1. Prepare the bottles by numbering; then 



balance them on the scales. 



2. Mix the cream well 

 by pouring and then transfer 

 18 gr. of the sample to each 

 bottle by means of the 

 pipette. 



3. Add somewhat less 

 than a full measure of acid to 

 each and proceed with the 

 test as usual. 



4. Read the test care- 

 fully according to rule in the 



Fig. u. Cream scales. text and record all data. 



Data: 



Application: 1. Compute the amount of butter-fat in 

 750 Ibs. of cream according to the various tests. 



