CHEDDAR CHEESE 



301 



wash boflfe 

 band 



7. A small bot- 



tle contain- 

 ing 50 c.c. 

 of a solu- 

 t i o n of 

 caustic 

 soda, which, 

 when added 

 to 2250 c.c. 

 of water, 

 makes 2300 

 c.c. of a ^ 

 normal al- 

 kaline solu- 

 tion. The 

 large bottle 

 is marked 

 to show the 

 level of 2300 

 c.c. in order 

 to save 

 measuring 

 with a grad- 

 uate each 

 time. 



8. A small bottle 



of phenol- 

 phthalein, 

 to be used 

 as an indi- 

 cator. 



Very few of the cheese-makers and butter-makers are able 

 to make and standardize their own solutions to be used in such 

 tests. For this reason a concentrated solution is advised, 



rv CO Cft 



D 



FIG. 52. Publow acid test. 



CU 



F 



