lead-antimony, 230
lead-tin, 228
lead-tin-bismuth, 229
lead - tin - bismuth - cadmium,
229
tin-antimony-arsenic, 230
tin-mercury, 230
tin-zinc, 228
Aluminium,
Separation from cobalt, 218
from copper, 177
from iron, 213
from nickel, 218
from zinc, 218
Aluminium bronze, analysis of,
228
Amalgams, 160
Ampere, definition, 20
Ampere meters ; or ammeters, 57
Anions, definition of, 5, 9
Anodes, definition of, 5
Antimony, electrolytic deposition
of, 144
Separation from arsenic, 200
from cadmium, 208
from copper, 186
from gold, 199
from mercury, 194
from silver, 191
from. tin, 201
Antimony, amalgam, 164
Arsenic, electrolytic deposition of,
148
Separation from antimony,
200
from bismuth, 200
from cadmium, 208
from copper, 185
from gold, 198
from lead, 189
from mercury, 194
from platinum, 199
from silver, 191
BASINS, for electrolytic operations,
80
Bismuth, electrolytic deposition
of, 157
Separation from arsenic, 200
from cadmium, 200
from cobalt, 200
from copper, 185
from iron, 200
from lead, 188
from mercury, 194
from nickel, 200
from silver 191
250
SUBJECT INDEX
Bismuth, separation from tin,
200
from zinc, 200
Bismuth amalgam, 162
Brass, analysis of, 220
Britannia metal, analysis of,
231
Bronze, analysis of, 226
aluminium, analysis of, 228
phosphor, analysis of, 227
Burnt pyrites, analysis of, 242
CADMIUM, electrolytic deposition
of, 122
Separation from alkalies, 208
from arsenic 208
from bismuth, 200
from chromium, 208
from cobalt, 206
from copper, 174
from iron, 207
from lead, 190
from manganese, 208
from mercury, 196
from molybdenum, 208
from nickel, 206
from osmium, 208
from silver, 192
from tin, 208
from tungsten, 208
from zinc, 205
Cadmium amalgam, 161
Charges of the ions, 19, 20, 23
China silver, analysis of, 225
Cobalt, electrolytic deposition of,
111
Separation from aluminum,
218
from bismuth, 200
from cadmium, 206
from chromium, 218
from copper, 172
from iron, 209
from lead, 190
from manganese, 217
from mercury, 196
from nickel, 214
from silver, 192
from zinc, 215
Cobalt, ores of, analysis, 241
Cobalt, regulus, analysis, 241
Cobalt smelting products, analysis,
241
Complex salts, 10, 11
Conductivity of the electrolyte,
9, 21, 72
of water, 8, 31
maximum, 27, 28
molecular, 27
relative, 28
specific, 27
Copper, electrolytic deposition of,
92
Separation from aluminium,
177
from antimony, 186
from arsenic, 185
from barium, 177
from bismuth, 185
from cadmium, 174
from chromium, 177
from cobalt, 172
from iron, 169
from lead, 177
from magnesium, 177
from manganese, 179
from mercury, 184
from nickel, 172
from potassium, 177
from silver, 181
from tin, 186
from zinc, 167
Copper ashes, analysis of, 242
Copper, black, analysis of, 236
Copper, German mint, analysis of,
227
Copper matte, analysis of, 242
Copper pyrites, 242
Copper, raw, analysis of, 236
Copper, refined, analysis of, 237
Copper regulus, analysis of, 241
Copper slag, analysis of, 242
Copper voltameter, 52
Coulomb, definition of, 20
Coupling cells and accumulators,
mixed, 68
parallel, 66
series, 66
Cupriferous flue dust, analysis of,
242
pyrites, analysis of, 242
UNIVERSITY
SUBJECT INDEX
251
Current conduction, 67
regulation, 49, 63, 87
Current density, calculation of, 38,
86
definition of, 37
normal, 37, 87
influence upon deposits, 38
Current strength, diminution of, 74
increase of, 65
measurement of, 50, 60, 87
unit of, 20
DECOMPOSITION of acetic acid, 14
formic acid, 13
lead chloride, 6, 34
potassium sulphate, 8, 34
typical complex salts, 12, 13
zinc chloride, 6, 39, 41
Decompositions, primary, 6
secondary, 8, 11
Decomposition values, 45, 46
Deposits, drying the, 89
washing the, 89
Detonating gas voltameter, 52, 53
Dissociation, theory of, 22, 23, 25
of water, 24, 31, 39
Double salts, 10, 11
ELECTEOCHEMISTKY, development
of, 1
Electrochemical equivalents, 19
Electrodes, basin, 80
fork-shaped, 108
forms of, 80, 81, 82
holders for, 84, 85
jacket, 83
materials for, 79
saucer, 82
spiral, 83
Electrolysis, conduct of analytic,
86
phenomena of, 6, 33
Electrolytes, conductivity of, 21,
72,88
constitution of, 21
Electrolytic procedure, general re-
marks, 79, 86
Electro-motive force, calculation
of, 46
Electro-motive force, influence upon
decompositions, 36
measurement of, 60, 61, 63,
87
Electrotyping, earliest examples
of, 1
FAHL ores, analysis of, 244
Faraday's laws, 16, 17
Flue dust, analysis of, 242
GALENA, analysis of, 242
Galvanometers, general remarks,
50
tangent, 54
torsion, 56
Gas couple, example of, 44
German silver, analysis of, 222
Gold, analysis of mint-, 228
electrolytic deposition of,
152
separation from silver, 191
mercury, 195
other metals, 198
HAFTINTENSITAT, Le Blanc's theory
of, 44
IONS, absolute velocity of, 29
definitions of, 5, 9
electro-static charges of, 19,
20,23
energy carried by, 19, 20, 23,
migration of, 24
relative velocities of, 25, 26,
29
valency of, 9, 23
Ionic dissociation, 31
Ionic reactions, 10
Iridium, electrolytic deposition of,
156
Iron, electrolytic deposition of,
102
separation from aluminium,
213
from bismuth, 200
from cadmium, 207
252
SUBJECT INDEX
Iron, separation from chromium, i
214
from cobalt, 209
from copper, 169
from gold, 198
from lead, 190
from manganese, 211
from mercury, 196
from nickel, 209
from silver, 192
from zinc, 211
Iron, analysis of cast, 238
analysis of ores of, 238
JACKET electrodes, 83
Joule, definition of, 20
KATHODES, definition, 5
Kations, definitions of, 5, 9
Kohlrausch's laws, 28
LEAD amalgam, 161
Lead, electrolytic deposition of,
126
separation from arsenic, 189
from bismuth, 188
from cadmium, 190
from cobalt, 190
from copper, 177
from iron, 190
from manganese, 189
from mercury, 188
from nickel, 190
from silver, 187
from zinc, 190
Lead trees, 42
Lead, argentiferous, analysis of,
234
hard, analysis of, 230
matte, analysis of, 241
refined, analysis of, 232
soft, analysis of, 232
MANGANESE, electrolytic deposition
of, 130
separation from cadmium,
208
Manganese, separation from cobalt,
217
from copper, 179
from iron, 211
from lead, 189
from mercury, 196
from nickel, 217
from zinc, 218
Mercury, electrolytic deposition of,
138
separation from antimony,
194
from arsenic, 194
from bismuth, 194
from cadmium, 196
from cobalt, 196
from copper, 184
from gold, 195
from iron, 196
from lead, 188
from manganese, 196
from nickel, 196
from osmium, 196
from palladium, 196
from platinum, 196
from silver, 191
from tin, 195
from zinc, 196
Metals incapable of deposition,
list of, 159
Migration of the ions, theory of,
24
Migration velocities, absolute, 29
relative, 25, 26, 29
Mixed coupling, 68
Mixed salt solutions, decomposition
of, 35
NICKEL, electrolytic deposition of,
106
separation from aluminium,
218
from bismuth, 200
from cadmium, 206
from chromium, 218
from cobalt, 214
from copper, 172
from iron, 209
from lead, 190
from manganese, 217
SUBJECT INDEX
253
Nickel, separation from mercury,
196
from silver, 192
from zinc, 215
Nickel, cube-, analysis of, 239
mint-, analysis of, 222
mint-, old Swiss, analysis of,
225
ores, analysis of, 241
raw, analysis of, 239
smelting products, analysis of,
241
Speiss, analysis of, 239
Normal current density, definition
of, 37
OHM, definition of, 20
Organic acids, decomposition of,
13, 14
Osmotic pressure, law of, 30
PALLADIUM, electrolytic deposition
of, 155
Parallel coupling, definition of, 67
Peroxide formation, conditions of,
42
Phosphor-bronze, analysis of, 227
Platinum, electrolytic deposition
of, 154
separations from other metals,
199
Polarisation, causes of, 48
Products of electrolysis, primary,
33, 35
secondary, 33, 35
Pyrites, analysis of roasted, 242
REACTIONS, ionic, 10
primary, 6, 8
secondary, 8. 11
Kegulating the current, 63, 87
Eesistance, definition of circuit, 67
Resistance of metallic conductors,
67, 72, 74
Resistance-boxes, general remarks,
74,75
with mercury contacts, 76
with plug contacts, 75
Eesistances, forms of adjustable
wire, 77, 78
Eesults of electrolysis, recording
the, 90
Ehodium, electrolytic deposition
of, 156
Eose's metal, analysis of, 229
SALT solutions, decomposition of
mixed, 35
Salts, complex, 10, 11
double, 10, 11
metallic, percentage of metals
in, 246
Secondary cells or batteries, use
of, 69
Separations of several metals,
methods used, 165, 219
Separations in acid solutions, 40
by varying E.M.F., 37
Series coupling, definition of, 66
Shunt circuit, definition of, 55
use of, 57
Silver, electrolytic deposition of,
134
separation from antimony, 191
from arsenic, 191
from bismuth, 191
from cadmium, 192
from cobalt, 192
from copper, 181
from gold, 191
from iron, 192
from lead, 187
from mercury, 191
from nickel, 192
from palladium, 192
from platinum, 192
from zinc, 192
Silver, China, analysis of, 225
German, analysis of, 222
leaf, analysis of counterfeit,
228
mint-, analysis of, 221
Silver tree, formation of, 42
Silver voltameter, 51
Solder, analysis of, 228
Spongy deposits, cause of, 41
Steel, analysis of, 238
Stibnite, analysis of, 244
254
SUBJECT INDEX
Supports for electrodes, 84, 85
Switch-board for cells and accumu-
lators, 69
TANGENT galvanometer, 54
Temperature, influence of, 88
Tetrahedrite, analysis of, 244
Thallium, electrolytic deposition
of, 157
Thermo-battery, use of, 71
Tin, electrolytic deposition of, 148
separation from antimony, 201
from bismuth, 200
from cadmium, 208
from copper, 186
from gold, 198
from mercury, 195
Tin amalgam, analysis of, 230
Tin, commercial, analysis of, 238
Tin-foil, analysis of, 238
Tin-stone, analysis of, 244
Tombac, analysis of, 220
Torsion galvanometer, 56
Tree formations, cause of, 42
Type metal, analysis of, 230
VOLT, definition of, 20
Voltaic series of metals, 35
Voltameters, general remarks, 50
copper, 52
detonating gas, 52, 53
silver, 51
Voltmeters, technical forms, 62, 63
WOOD'S metal, analysis of, 229
ZINC, electrolytic deposition of,
113
separation from aluminium,
218
from bismuth, 200
from cadmium, 205
from chromium, 218
from cobalt, 215
from copper, 167
from gold, 198
from iron, 211
from lead, 190
from manganese, 218
from mercury, 196
from nickel, 215
from silver, 192
Zinc amalgam, 160
Zinc, analysis of commercial, 234
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ELECTRICITY IN OUR HOMES AND WORKSHOPS. A
Practical Treatise on Auxiliary Electrical Apparatus. Third Edition. Revised
and Enlarged. With 143 Illustrations. 6s.
' It would be difficult to find a more painstaking writer when he is describing the