IRON, NICKEL, COBALT, ZINC, CADMIUM.
IRON 231
Gravimetric determination 233
Permanganate and bichromate methods 234
Stannous chloride method 244
Colorimetric determination 247
NICKEL 251
Dry assay 251
Electrolytic assay 254
Titration by cyanide 255
COBALT 259
ZINC 261
Gravimetric method 262
Volumetric method 263
Gasometric method 266
CADMIUM 269
CHAPTER XII.
TIN, TUNGSTEN, TITANIUM.
TIN 271
Vanning 273
Dry assay 276
Detection, &c. 279
Gravimetric determination 281
Volumetric determination 282
Examples 284
TITANIUM 292
TUNGSTEN 295
NIOBIC AND TANTALIC OXIDES 297
CHAPTER XIII.
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