The Chemical News and Journal of Physical Science, Volumes 27-28Griffin, Bohn and Company, 1773 - Chemistry |
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Page 20
... matter at the cost of purity . This coal is remarkable also on account of the vast number of small fresh water shells which are associated with it , and which must render it rich in phosphorus . Not only is the limestone above , below ...
... matter at the cost of purity . This coal is remarkable also on account of the vast number of small fresh water shells which are associated with it , and which must render it rich in phosphorus . Not only is the limestone above , below ...
Page 30
... matter often differ materially in the amount of chemical work they can perform ; thus an atom of sulphur can represent 6 atoms of hydrogen in combination ; nitrogen 5 ; carbon 4 ; boron 3 ; and oxygen 2 atoms of hydrogen ; silver , on ...
... matter often differ materially in the amount of chemical work they can perform ; thus an atom of sulphur can represent 6 atoms of hydrogen in combination ; nitrogen 5 ; carbon 4 ; boron 3 ; and oxygen 2 atoms of hydrogen ; silver , on ...
Page 31
... matter , consists in the decomposition of the above mentioned sub - iodide of silver , ordinary iodide of silver dissolving , and the excess of silver remaining , and forming the image in its final condition . Such is the view which I ...
... matter , consists in the decomposition of the above mentioned sub - iodide of silver , ordinary iodide of silver dissolving , and the excess of silver remaining , and forming the image in its final condition . Such is the view which I ...
Page 35
... matter similar to cashoo . " - Petition recorded October 18 , 1872 . 336. H. Page , Market Buildings , Mincing Lane , London , " Im- provements in the manufacture of paper - pulp , or half - stuff . " - Petition recorded November 16 ...
... matter similar to cashoo . " - Petition recorded October 18 , 1872 . 336. H. Page , Market Buildings , Mincing Lane , London , " Im- provements in the manufacture of paper - pulp , or half - stuff . " - Petition recorded November 16 ...
Page 59
... matter is removed , the charcoal is thoroughly washed , first by decantation , and next placed on a filter and washed until the water exhibits no acid reaction ; the material is then carefully dried at from 100 ° to 120 ° . 100 parts of ...
... matter is removed , the charcoal is thoroughly washed , first by decantation , and next placed on a filter and washed until the water exhibits no acid reaction ; the material is then carefully dried at from 100 ° to 120 ° . 100 parts of ...
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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
Page 98 - Chemistry, Medicine, Surgery, and the Allied Sciences. A Dictionary of Chemistry and the Allied Branches of other Sciences.
Page 83 - President in the chair. After the minutes of the previous meeting had been read and confirmed, the Society proceeded to the election of officers and members of Council for the year next ensuing.
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.
Page 75 - Experiments with chlorides are recorded. It was found in all cases that the difference between the spectrum of the chloride and the spectrum of the metal was that under the same spark-conditions all the short lines were obliterated. Changing the spark-conditions, the final result was that only the very longest lines in the spectrum of the metallic vapour remained.
Page 222 - An act to amend the law for the Prevention of Adulteration of Food and Drink, and of Drugs.