CONTENTS vii 



SECTION IV 



QUALITATIVE ANALYSIS OF SOILS 

 AND MANURES 



PARA- PACE 

 GRAPH 



Introductory Remarks 145-148 53 



General Rules for Working . . . . 149-157 54 



REACTIONS FOR THE METALS 



Aluminium 158-160 55 



Iron 161-172 56 



Manganese 173-177 57 



Calcium 178-181 58 



Magnesium 182-185 59 



Sodium 186-187 59 



Potassium 188-190 60 



Ammonium 191-193 60 



REACTIONS FOR THE ACID-RADICALS 



Sulphate 194 61 



Carbonate 195 61 



Nitrite 196, 197 61 



Nitrate 198-200 62 



Chloride . . 201-203 62 



Phosphate 204-207 63 



Silicate 208-210 63 



Organic Carbon 211,212 64 



Organic Nitrogen 213,214 64 



Organic Chlorine 215 64 



Organic Sulphur 216 65 



TABLES FOR QUALITATIVE ANALYSIS 



Table I. — Preliminary Examination of Solids 



for Metals 217-223 65 



Organic Matter 224-227 66 



