LACTOMETER AND ITS USE 41 



I. Suspected sample shows: Normal milk shows: 



Lactometer reading 32 Lactometer reading 32 



Fat 2.5 Fat 3.9 



Solids not fat 8.5 Solids not fat 8.78 



Total solids ii.o Total solids 12.68 



Conclusion : Sample is watered and skimmed because 

 (a) lactometer reading is normal and fat Iqw ; (b) solids 

 not fat are nearly normal and total solids low. 



2. Suspected sample shows: 



Lactometer reading 33.2 



Fat 3.1 



Solids not fat 8.92 



Total solids 12 . 02 



Conclusion: Sample is skimmed because lactometer 

 reading is high and fat low. 



3. Suspected sample shows : 



Lactometer reading shows 29 



Fat 3.4 



Solids not fat 7 . 93 



Total solids 1 1 . 33 



Conclusion : Sample is watered because everything 

 is much below normal, which is to be expected in the case 

 of watered milk. 



