《ANALYTICAL PROCESSES--A PHYSICO CHEMICAL INTERPRETATION》

PART Ⅰ THE THEORETICAL FOUNDATIONS OF SOME TYPICAL PROCESSES1

Ⅰ INTRODUCTION1

Ⅱ SOME GENERAL CONCEPTIONS9

Ⅲ THE PRECIPITATION OF BARIUM SULPHATE : AN EXAMPLE OF A SPARINGLY SOLUBLE PRECIPITATE34

Ⅳ THE PRECIPITATION OF LEAD SULPHATE : AN EXAMPLE OF AN APPRECIABLY SOLUBLE PRECIPITATE70

Ⅴ THE PRECIPITATION OF FERRIC HYDROXIDE: AN EXAMPLE OF A PRACTICALLY INSOLUBLE PRECIPITATE OF A GELATINOUS CHARACTER81

Ⅵ SOME PROBLEMS CONCERNING THE IGNITION OF PRE-CIPITATES100

Ⅶ THE PRECIPITATION OF SILVER HALIES : EXAMPLES OF CURDY PRECIPITATES, WITH SPECIAL REFERENCE TO ATOMIC WEIGHT DETERMINATIONS114

Ⅷ SEPARATIONS : WITH ESPECIAL REFERENCE TO THE DETERMINATION OF CALCIUM AND MAGNESIUM WHEN PRESENT TOGETHER127

Ⅸ THE TITRATION OF A HALIDE BY SILVER NITRATE: AN EXAMPLE OF A VIRTUALLY COMPLETE REACTION ASSOCIATED WITH PRECIPITATE FORMATION147

Ⅹ ACID-ALKALI TITRATIONS: EXAMPLES OF VIRTUALLY COMPLETE REACTIONS ASSOCIATED WITH THE FORMA-TION OF A SPARINGLY IONISED PRODUCT167

ⅩⅠ THE TITRATION OF A CYANIDE BY SILVER NITRATE : AN EXAMPLE OF A VIRTUALLY COMPLETE REACTION ASSOCIATED WITH COMPLEX FORMATION244

ⅩⅡ OXIDATION-REDUCTIONTITRATIONS : EXAMPLES OF VIRTUALLY COMPLETE REACTIONS OF HIGH CHEMICAL POTENTIAL253

ⅩⅢ ELECTRO-ANALYSIS303

ⅩⅣ RECENT IMPROVEMENTS IN A TYPICAL GRAVIMETRIC PROCESS: WITH SPECIAL REFERENCE TO THE PRE-CIPITATION OF SULPHIDES324

PART Ⅱ A CRITICAL EXAMINATION OF SOME THEORIES EMPLOYED335

ⅩⅤ SUPERSATURATION AND CRYSTALLISATION335

ⅩⅥ COLLOIDAL PHENOMENA372

ⅩⅦ COMPLEX IONS389

ⅩⅧ SOME FACTS AND HYPOTHESES410

APPENDIX Ⅰ—NOTES ON CERTAIN TYPES OF APPARATUS USED FOR GRAVIMETRIC PURPOSES429

APPENDIX Ⅱ—BUFFER SOLUTIONS AND INDICATORS441

APPENDIX Ⅲ—CONSTANTS AND NUMERICAL DATA454

DISSOCIATION CONSTANTS OF BASES AND ACIDS454

MOLAR CONCENTRATIONS IN SULPHIDE SOLU-TIONS455

SOLUBILITY PRODUCTS456

STANDARD OXIDATION—REDUCTION POTENTIALS457

AUTHOR INDEX459

SUBJECT INDEX463