The Chemical News and Journal of Physical Science, Volumes 27-28Griffin, Bohn and Company, 1773 - Chemistry |
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Page 6
... colour , sometimes a brownish red , at others with an iridescent film ; while large crystals ( as some of these from Brazil ) occur occasionally with a lustre so great as to have obtained for it the name of specular or looking - glass ...
... colour , sometimes a brownish red , at others with an iridescent film ; while large crystals ( as some of these from Brazil ) occur occasionally with a lustre so great as to have obtained for it the name of specular or looking - glass ...
Page 8
... colour reached - for obvious reasons . But in special cases , when important differences were suggested by the aspect of the soil and subsoil , they have been separately examined , at whatever depth the change of colour might occur ...
... colour reached - for obvious reasons . But in special cases , when important differences were suggested by the aspect of the soil and subsoil , they have been separately examined , at whatever depth the change of colour might occur ...
Page 9
... colour most of them were white or yellowish white , but some of the larger ones were of a reddish tinge . At about 7.45 p.m. six were noticed at one time . At 8.45 , on looking at about a quarter of the space of the heavens , towards ...
... colour most of them were white or yellowish white , but some of the larger ones were of a reddish tinge . At about 7.45 p.m. six were noticed at one time . At 8.45 , on looking at about a quarter of the space of the heavens , towards ...
Page 20
... colours that are injured by the lime , as , for example , chrome - yellow , Parisblue , zinc - green , Behringer's green and carmine . Ponceau made from carbolic acid is changed into a beautiful carmine colour . When warming the glue to ...
... colours that are injured by the lime , as , for example , chrome - yellow , Parisblue , zinc - green , Behringer's green and carmine . Ponceau made from carbolic acid is changed into a beautiful carmine colour . When warming the glue to ...
Page 37
... colour , first observed during the industrial purifica- tion of crude pyroligneous acid in the works of Herr Th . Lettenmayer , at Königsbronn . I obtained a small sample of coerulignon through the kindness of Privy Councillor Dr. V ...
... colour , first observed during the industrial purifica- tion of crude pyroligneous acid in the works of Herr Th . Lettenmayer , at Königsbronn . I obtained a small sample of coerulignon through the kindness of Privy Councillor Dr. V ...
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acetic acid action alcohol alkaline alumina ammonia analysis aniline apparatus appears applied arsenic acid Assays atoms barium baryta body boiling bromine calcium carbonic acid caustic cent chemical chemistry chemists chloric acid chloride coal colour composition compounds containing converted copper crystallisation crystals cymene decomposed decomposition deposit dilute dissolved distilled employed ether evaporation experiments filtered flask formation formed formula furnace fused glass heat hydrate hydrochloric acid hydrogen Improvements insoluble iodide iron Laboratory lime liquid magnesia manganese manufacture matter metallic method methyl mineral mixture nitrate nitric acid nitrogen observed obtained ordinary oxalic oxide oxidising oxygen paper PATENTS phosphate phosphoric acid potash potassa potassium precipitate prepared present produced pure pyrites quantity reaction Royal salt sample silicate silver Society soda sodium soluble solution substance sulphate sulphide sulphuretted hydrogen sulphuric acid temperature tion toluidine treated tube vapour washed weight yields zinc
Popular passages
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Page 230 - Stevenson, president, in the chair. The minutes of the previous meeting having been read and confirmed, Mr.
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Page 170 - By a delicate mathematical analysis, Thomson arrives at the theorem that the ''average pressure at any point of an incompressible, frictionless fluid, originally at rest, but set in motion and kept in motion by solids, moving to and fro, or whirling round in any manner, through a finite space of it," would explain the attractions just described.
Page 98 - Supplement; bringing the Record of Chemical Discovery down to the end of the year 1869 ; including also several Additions to, and Corrections of, former results which have appeared in 1870 and 1871.
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Page 222 - An act to amend the law for the Prevention of Adulteration of Food and Drink, and of Drugs.