Nature, Volume 103Sir Norman Lockyer Macmillan Journals Limited, 1919 |
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Página 68
... acid per annum Tons equivalent chamber acid 450,000 420,000 300,000 Sulphate of ammonia 280,000 Bleaching powder , hydro- chloric acid , alkali , and 186,000 279,000 alum Iron pickling 70,000 Recovery of grease 20,000 Copper sulphate ...
... acid per annum Tons equivalent chamber acid 450,000 420,000 300,000 Sulphate of ammonia 280,000 Bleaching powder , hydro- chloric acid , alkali , and 186,000 279,000 alum Iron pickling 70,000 Recovery of grease 20,000 Copper sulphate ...
Página 215
... acid and ammonium nitrate for use as high explosives . Picric acid costs about 1851. per ton to make , ammonium nitrate about 50l . , and T.N.T. about 100l . per ton ; the high cost of picric acid means , of course , limited production ...
... acid and ammonium nitrate for use as high explosives . Picric acid costs about 1851. per ton to make , ammonium nitrate about 50l . , and T.N.T. about 100l . per ton ; the high cost of picric acid means , of course , limited production ...
Página 252
... acid ( 10 c.c. of commercial acid to a litre of water ) immediately before putting it into the alcohol , the deposition is avoided . This weak acid will remove a deposit that has been allowed to form , and if the patch is of small area ...
... acid ( 10 c.c. of commercial acid to a litre of water ) immediately before putting it into the alcohol , the deposition is avoided . This weak acid will remove a deposit that has been allowed to form , and if the patch is of small area ...
Índice
October 9 1919 | xxxii |
Stefanik Genl M obituary 231 | xxxviii |
Storkerson S Arrival with his party on the Alaskan | 8 |
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