CONTENTS 



THE MORE COMMON ESTIMATIONS OCCURRING 

 IN AGRICULTURAL ANALYSIS 



Introductory remarks 



Section I.— GRAVIMETRIC ESTIMATIONS 



Iron ..... 20 

 Sulphuric acid . . . . 23 

 Potash 24 



Phosphoric acid 

 Calcium 

 Carbon dioxide 



20 



26 

 28 

 31 



Section II.— VOLUMETRIC ESTIMATIONS 



Introduction 

 Standard solutions . 

 Indicators .... 

 Preparation of seminormal sul 

 phuric acid . . . 



37 

 38 

 39 



40 



Preparation of seminormal 



caustic potash solution . . 42 



Estimation of chlorine . . 44 



Estimation of iron . . . 47 



Estimation of sugar . . 50 



