An Electrolytic Method of Analyzing Zinc Ores
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Six years before Smith (4) adopted a similar pro- cedure in electrolyzing an ammoniacal copper solution containing ferric hydrate from chalcopyrite. He found "that if platinum dishes be employed as cathodes to receive the copper, the latter has invariably been contaminated with iron, but that if platinum cylinders, dipping into the ammoniacal solution contained in beaker-glasses, were used for cathodes the copper deposited upon them was free from iron." The fusion was taken up in water and pour...ed directly into the beaker and after warming was analyzed with these results: B. Nickel-plated platinum gauze cathode — vertical — 25 wires per cm. of 0.2 mm. diameter, 10 cm. long, 5 cm. wide, giving a cathode surface of approximately 150 square cm. A stout plati- num wire is split for a part of its length and riveted over the center of the gauze, the upper end being used to make the elec- trical connections and bent twice at right angles to be clear of the rotating anode. The gauze was bent into cylindrical form, but the cylinder was not entirely closed, the distance between the (4).
What to read after An Electrolytic Method of Analyzing Zinc Ores?
You can find similar books in the "Read Also" column, or choose other free books by Harrison Hale to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Six years before Smith (4) adopted a similar pro- cedure in electrolyzing an ammoniacal copper solution containing ferric hydrate from chalcopyrite. He found "that if platinum dishes be employed as cathodes to receive the copper, the latter has invariably been contaminated with iron, but that if platinum cylinders, dipping into the ammoniacal solution contained in beaker-glasses, were used for cathodes the copper deposited upon them was free from iron." The fusion was taken up in water and pour...ed directly into the beaker and after warming was analyzed with these results: B. Nickel-plated platinum gauze cathode — vertical — 25 wires per cm. of 0.2 mm. diameter, 10 cm. long, 5 cm. wide, giving a cathode surface of approximately 150 square cm. A stout plati- num wire is split for a part of its length and riveted over the center of the gauze, the upper end being used to make the elec- trical connections and bent twice at right angles to be clear of the rotating anode. The gauze was bent into cylindrical form, but the cylinder was not entirely closed, the distance between the (4).
What to read after An Electrolytic Method of Analyzing Zinc Ores?
You can find similar books in the "Read Also" column, or choose other free books by Harrison Hale to read onlineMoreLess
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