no 



CKADING \\\) TESTING MILK AND CREAM 



ing, cut off all the upper curve on the fat column or add a 

 couple of drops of white mineral oil (glymol) to destroy the 

 meniscus." 



THE SHAW TEST FOR FAT IN BUTTER 



APPARATUS RE(JUIRED 



" Babcock centrifuge or tester. ^ 



" Shaw separatory funnels. 

 Balance which is sensitive to o.oi gram. (A torsion bal- 

 ance, such as is used in testing for moisture, will answer if it is 

 in good condition.) 



'■ Accurate set of metric weights. 



Fig, 28 — Separatory funnels used in the Shaw test. 



Glass cylinder graduated at 9 and 11 c.c. 

 ' loo-c.c. glass beaker. 



" Wooden rack for holding separatory funnels. 

 ' Support for separatory funnels on balance. 

 " In addition to the above a special socket to hold the separa- 

 tory funnels will be required. As shown in the cut, this differs 

 in no material way from the socket ordinarily used in the Bab- 



'L. F. Nafis. 



