 | Silvanus Phillips Thompson - Electricity - 1902 - 650 pages
...Solution.—Prepare a neutral saturated solution of pure (" pure recrystallized ") zinc sulphate by mixing in a flask distilled water with nearly twice...per cent by weight of the zinc sulphate crystals to neutralise any free acid. The crystals should be dissolved with the aid of gentle heat, but the temperature... | |
 | George Dudley Aspinall Parr - Electric engineering - 1902 - 496 pages
...Zinc Sulphate Solution. — Prepare a saturated solution of pure (re-crystallized) zinc sulphate by mixing in a flask distilled water with nearly twice...weight of crystals of pure zinc sulphate, and adding a little zinc carbonate, in the proportion of about 2 per cent, by weight of zinc sulphate crystals,... | |
 | John Shiress Will - Electric engineering - 1903 - 570 pages
...Sulphate Solution. — Prepare a neutral saturated solution of (" pure re-crystalized ") zinc sulphate by mixing in a flask distilled water with nearly twice...per cent, by weight of the zinc sulphate crystals to neutralise any free acid. The crystals should be dissolved with the aid of gentle heat, but the temperature... | |
 | Great Britain - Administrative law - 1904 - 512 pages
...Solution. — Prepare a neutral saturated solution of pure (" pure re-cry stalised ") zinc sulphate by mixing in a flask distilled water with nearly twice...per cent, by weight of the zinc sulphate crystals to neutralise any free acid. The crystals should be dissolved with the aid of gentle 'heat, but the temperature... | |
 | Frederick Hutton Getman - Chemistry, Physical and theoretical - 1904 - 288 pages
...zinc sulphate by mixing distilled water with approximately twice its weight of crystals of the salt, and adding zinc oxide in the proportion of about 2...zinc sulphate crystals to neutralize any free acid which may be present. The crystals should be dissolved by heating slightly, but the solution must not... | |
 | United States. Bureau of Standards - Physics - 1905 - 542 pages
...30° C. Mercurous sulphate treated as described in 3 should be added in the proportion of about 12 per cent by weight of the zinc sulphate crystals to neutralize any free zinc oxide remaining, and the solution filtered, while still warm, into a stock bottle. Crystals should... | |
 | William Hallock, Herbert Treadwell Wade - Metric system - 1906 - 334 pages
...Prepare a neutral saturated solution of pure recrystallized zinc sulphate, free from iron, by mixing distilled water with nearly twice its weight of crystals...zinc sulphate crystals to neutralize any free acid. The crystals should be dissolved with the aid of gentle heat, but the temperature to which the solution... | |
 | Silvanus Phillips Thompson - Electric power - 1906 - 674 pages
...Solntion. — Prepare a nentral saturated solution of pure (" pure recrystallized ") zinc sulphate by mixing in a flask distilled water with nearly twice...weight of crystals of pure zinc sulphate, and adding ziuc oxide in the proportion of about 2 per cent by weight of the ziuc sulphate crystals to nentralize... | |
 | Thomas Ernest Herbert - Telegraph - 1906 - 944 pages
...Suhition. — Prepare a nnitnil saturated solution of pure ("pure rccrystallizcd") zinc sulphate by mixing in a flask distilled water with nearly twice its weight of crystals of [Mire zinc sulphate, and adding zinc oxide in the proportion of about 2 per cent. by weight of the... | |
 | Thomas Ernest Herbert - Telegraph - 1906 - 946 pages
...30° 0. Mercurous sulphate treated as described in 3 should be added in the proportion of about 12 per cent, by weight of the zinc sulphate crystals to neutralize any free zinc oxide rcmaining, and the solution filtered, while still warm, into a stock bottle. Crystals should... | |
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Prepare a neutral saturated solution of pure ("pure recrystallised ") zinc sulphate by mixing in a flask distilled water with nearly twice its weight of crystals of pure zinc sulphate, and adding zinc oxide in the proportion of about 2 per cent, by weight... 
