TESTING BUTTER 



641 



II. Transferring the Charge to the Separatory Funnel. " Place 

 the beaker containing the charge on a radiator or steam pipe until 

 the butter is melted. (This may also be accomplished by adding a 

 small quantity of boiling water.) Next pour the charge into the 

 funnel, which must be maintained in an upright position, and no 



/<** 



Fig*. 107. Shaw Butter Fat Tester 



Pig-. 108. Separatory Funnel with 

 Capillary Tube 



part of the charge must be lost in transferring. With a fine stream 

 of hot water rinse down the sides of the beaker and pour the rinsings 

 into the funnel. Repeat this, using not more than a teaspoonful 

 of water at a time until the funnel is full to within one-quarter of 

 an inch of the shoulder. The rinsing can be done very conveniently 

 with the arrangement on many steam centrifuges for filling the 



