CONTENTS. 



Page 



Preface iii 



I. A Revision of the Atomic Weight of Cadmium; The Analysis of Cadmium 



Chloride. By G. P. Baxter and M. A. Hines. 



Introduction 3 



Purification of Materials 4 



Preparation of Cadmium Chloride for the Preliminary Analyses 7 



Method of Analysis lo 



Preliminary Series of Results 13 



Action of Hydrochloric- Acid Gas upon Phosphorus Pentoxide 14 



Preparation and Drying of Cadmium Chloride for the Final Analyses 15 



Final Series of Results 16 



II. A Revision of the Atomic Weight of Cadmium; The Analysis of Cadmium 



Bromide. By G. P. Baxter, M. A. Hines, and H. L. Feevert. 



Purification of Materials 21 



Dr>'ing of Cadmium Bromide for Analysis 22 



Method of Analysis 24 



Results and Discussion 26 



III. A Revision of the Atomic Weight of Manganese; The Analyses of Man- 



ganous Bromide and Chloride. By G. P. Baxter and M. A. Hines. 



Introduction . .' 33 



Analysis of Manganous Bromide 34 



Purification of Materials 34 



Drying of Manganous Bromide 37 



Method of Analysis 38 



Density of Manganous Bromide 40 



Results 42 



Analysis of Manganous Chloride 44 



Purification of Materials 44 



Drying of Manganous Chloride 44 



Method of Analysis 45 



Density of Manganous Chloride 46 



Results and Discussion 46 



IV. A Revision of the Atomic Weight of Bromine; The Synthesis of Silver 



Bromide and the Ratio of Silver Bromide to Silver Chloride. By G. P. 

 Baxter. 



Introduction Si 



Purification of Materials 54 



Synthesis of Silver Bromide 57 



Results 58 



Conversion of Silver Bromide into Silver Chloride 59 



Results and Discussion 60 



V. A Revision of the Atomic Weight of Lead; The Analysis of Lead Chloride. 



By G. p. Baxter and J. H. Wilson. 



Introduction 65 



Purification of Materials 67 



Drying of Lead Chloride and Method of Analysis 68 



Results and Discussion 69 



v 



1 1 }. 



