TABLE OF CONTENTS. 



CONTENTS 5 



TRANSLATOR'S PREFACE 9 



INTRODUCTION 11 



I. QUALITATIVE EXAMINATION OF 



MILK. 



EXAMINATION OF THE FATS 13 



ALBUMINOIDS 17 



MILK SUGAR 18 



DETERMINATION OF SPECIFIC GRAVITY... 21 



II. METHODS OF QUANTITATIVE ANALY- 



SIS. 



THE QUEVENNE LACTODENSIMETER 



(WHOLE MILK) 23 



THE QUEVENNE LACTODENSIMETER 



(SKIMMED MILK) 24 



DETERMINATION OF ACIDITY 25 



DETERMINATION OF TOTAL SOLIDS 28 



DETERMINATION OF ASH 29 



DETERMINATION OF FATS 31 



SOXHLET'S GRAVIMETRIC METHOD OF 



ANALYSIS 31 



EXTRACTION OF FATS BY MEANS OF PE- 

 TROLEUM ETHER 33 



SOXHLET'S AEROMETRIC METHOD 35 



METHODS WHICH GIVE ONLY APPROXI- 

 MATELY ACCURATE RESULTS 38 



DETERMINATION OF TOTAL NITROGEN. . . .42 

 METHODS OF PRECIPITATION OF ALBU- 

 MINOIDS .4b 



PRECIPITATION WITH TANNIN 47 



THE RITTENHOUSE METHOD 48 



5 



