TABLE OF CONTENTS. 



PAGE 



Introduction 1 



Formulae for the calculation of probable error 9 



The fundamental ratios, 0, H, Ag, CI, Br, I, K, Na, N, S, C 11 



The oxygen-hydrogen ratio 11 



The nitrogen-oxygen ratio 40 



The carbon-oxygen ratio 52 



Syntheses and density of hydrochloric acid 61 



Analyses of nitrosyl chloride 66 



The ratio HCl: NH3 67 



Analyses of chlorates 68 



Analyses of bromates and iodates 72 



The iodine pentoxide-silver ratio 74 



The silver-chlorine ratio 75 



The silver-bromine ratio 84 



The silver-iodine ratio 93 



Ratios connecting the silver halides 98 



The potassium chloride-silver ratios 102 



Potassium bromide and iodide ratios 108 



The sodium halide-silver ratios 110 



The ammonium halide-silver ratios 113 



The silver nitrate ratios 116 



Potassium and sodium nitrate ratios 121 



The silver-carbon ratios 125 



The sulphur ratios 130 



General discussion 136 



Lithium 143 



Rubidium 149 



Caesium 152 



Copper 155 



Gold 167 



Calcium 177 



Strontium 182 



Barium 188 



Radium 193 



Lead 199 



Glucinum 207 



Magnesium 212 



Zinc 223 



Cadmium 235 



Mercury 249 



Boron 255 



Aluminum 262 



Gallium 269 



(iii) 



