558 



COMPOSITION AND PROPERTIES OF WHEY 



Table 92. Composition of Whey. 



Constituents 



of 

 Whey 



VanSlyke 



% 



Fleisch- 

 mann 



Koenig 



% 



Smetham 



% 



Vieth from 

 Skim Milk 



Water 



Fat. . 



Casein 



Albumin . . . 

 Milk Sugar. 



Ash 



Total Solids 



93.40 

 .35 

 .10 

 .75 



4.80 



.60 



6.60 



93.15 

 .35 



1.00 



4.90 

 .60 



6.85 



93.38 

 .32 



.86 



4.79 

 .65 



6.62 



93.33 

 .24 



.88 



5.06 

 .49 



6.67 



93.00 

 .09 



.92 



5.45 

 .52 



7.00 



Specific gravity 1.025 to 1.028 (Fleischmann 1 ). 

 Specific heat, at C, .0978; at 15 C., .976; at 60 C, .972. 

 Hammer and Johnson. 2 



Table 93. Composition of Separator Slime. 



Richmond 3 Fleischmann 1 



per cent per cent 



Water 66.24 68.20 



Fat . .50 1.44 



Protein 22. 25.34 



Milk sugar 50 



Other organic matter 7.75 



Ash 3.01 3.22 



Total milk solids 26.01 30.00 



Table 94. Composition of Ash in Separator Slime. 1 



Potassium oxide 3.155 per cent 



Sodium oxide 1.325 



Calcium oxide 45.025 



Magnesium oxide 3.361 



Iron oxide (ferric) 1.846 



Phosphoric acid (anhydride) 43.976 



Chlorine 1.691 



100.381 " " 

 Less oxygen equivalent to chlorine 381 " " 



100.00 



1 Fleischmann Buch der Milchwirtschaft, 1901. 



a Hammer and Johnson The Specific Heat of Milk and Milk Derivatives. 

 Iowa Research Bulletin 14. 1913. 



8 Richmond Dairy Chemistry, 1914. 



