556 



COMPOSITION AND PROPERTIES OF SKIM MILK 



Table 87. Composition of Ash in Cream. 4 



Potassium oxide 28.381 per cent 



Sodium oxide 8.679 " " 



Calcium oxide 23.411 



Magnesium oxide 3.340 



Iron oxide (ferric) 2.915 " " 



Phosphoric acid (anhydride) 21.735 " " 



Chlorine . .... 14.895 " " 



Less oxygen equivalent to chlorine 



103.356 

 3.356 " 'v* 



100.000 " " 



Table 88. Composition of Skimmilk. 



Specific gravity at 60F. 1.035 to 1.038; average 1.036. 



Specific heat at 14 to 16 C. .9388* at 27.5 C. .9455 (Fleisch- 

 mann) 4 ; at C. .940; at 15 C. .943; at 40 C. .952 (Hammer and 

 Johnson) 5 . 



x Van Slyke Modern Methods of Testing Milk and Its Products. 

 2 Snyder Dairy Chemistry. 

 "Richmond Dairy Chemistry, 1914. 

 * Fleischmann Lehrbuch der Milch wirtschaft. 



6 Hammer and Johnson The Specific Heat of Milk Products. Iowa Re- 

 search Bulletin 14, 1913. 



