340 STANDARDIZED CONDENSED MILK 
added skim aS ae 3.75 pounds of original milk. Hence 
4.50 : = 7000 : » = 1167 pounds of skim milk. 
‘Total batch, 7000 pounds. 
Skim milk, 1167 pounds. 
4.5%, milk, 5833 pounds. 
Standardization of Finished Product.—In a similar manner 
standardization may be accomplished after condensation. In 
this case the proportion of solids is best increased or the propor- 
tion of fat reduced by the addition of condensed skim milk in 
the place of ordinary skim milk, while the proportion of fat 1s 
increased by the addition of cream as explained under Stand- 
ardization of Fluid Milk. 
If it is desired to lower the total solids in the finished 
product, without affecting the proportion of solids not fat to 
fat, the necessary amount of water required is determined as 
follows: 
Example 3. 
Evaporated milk in batch, 3000 pounds. 
Total solids in evaporated milk, 27.%. 
Total solids desired, 25.5%. 
How much water must be added? 
Answer: 
2/7 25:9 
0. a 15 
To each 25.5 pounds evaporated milk must be added 1.5 
pounds water. Hence 25.5 :1.5 = 3000:«; “ = 176.5 pounds 
of water. 
Original batch evaporated milk, 3000 pounds. > 
Water added, 176.5 pounds. 
Standardized evaporated milk, 3176.5 pounds. 
The results of standardization in which cream is used to 
alter the proportion of fat to solids not fat, are not absolutely 
mathematically accurate, because of the fact that the per cent 
