CONTENTS xi 



PAGE 



Counting cells 210 



Determination of weight by micrometry 212 



Volume and weight per cents; area measurements 216 



Estimation of molecular weight 216 



CHAPTER XI. 



THE DETERMINATION or MELTING AND SUBLIMING POINTS. 



Approximate methods 220 



Exact methods 222 



Hot stages 224 



Subliming points 227 



CHAPTER XII. 

 METHODS FOR HANDLING SMALL AMOUNTS or MATERIAL. 



Testing for solubility 228 



Decantation 230 



The centrifuge 233 



Filtration 238 



Sublimation 240 



Distillation 244 



Ignition, fusion 248 



Grinding and mixing 249 



CHAPTER XIII. 

 THE METHODS OF MICROCHEMICAL QUALITATIVE ANALYSIS. 



The various ways in which reagents are applied 250 



Preparation of special reagents 271 



CHAPTER XIV. 



CHARACTERISTIC MICROCHEMICAL REACTIONS OF THE COMMON ELEMENTS AND 

 ACIDS WHEN IN SIMPLE MIXTURES. 



CATIONS: 



Sodium 273 



Potassium 281 



Ammonium 285 



Calcium 287 



Strontium 292 



Barium 295 



