Chemical News and Journal of Industrial Science, Volumen19Chemical news office, 1869 |
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Página 3
... Society ; and having myself , in the course of these investigations , paid considerable attention to the processes employed for determining the presence and amount of titanic acid contained in mineral and metallurgical products , it is ...
... Society ; and having myself , in the course of these investigations , paid considerable attention to the processes employed for determining the presence and amount of titanic acid contained in mineral and metallurgical products , it is ...
Página 7
... SOCIETIES . CHEMICAL SOCIETY . Thursday , December 17 , 1868 . salt was found to be 159 ° C. , instead of 147 ° as usually stated . The mass was allowed to cool to 100 ° C. , and was then When treated with its own weight of water at 80 ...
... SOCIETIES . CHEMICAL SOCIETY . Thursday , December 17 , 1868 . salt was found to be 159 ° C. , instead of 147 ° as usually stated . The mass was allowed to cool to 100 ° C. , and was then When treated with its own weight of water at 80 ...
Página 8
... Society on a former occasion . believed that urea was not carbamide , because he found it wanting in some of the common reactions of the amides . As there was no further business before the Society , what lengthened absence was ...
... Society on a former occasion . believed that urea was not carbamide , because he found it wanting in some of the common reactions of the amides . As there was no further business before the Society , what lengthened absence was ...
Página 22
... Society , and received the Rumford and Royal Medals ; he also gained the Keith Medal of the Royal Society of Edinburgh , of which society he was Vice - President . He was the author of a number of works on physical science , as well as ...
... Society , and received the Rumford and Royal Medals ; he also gained the Keith Medal of the Royal Society of Edinburgh , of which society he was Vice - President . He was the author of a number of works on physical science , as well as ...
Página 32
... SOCIETIES . MANCHESTER LITERARY AND PHILOSOPHICAL SOCIETY. 32 the And here , perhaps , we may ask , what are the effects of diseased or putrid meat on the human system ? The ques- tion is undoubtedly very difficult to answer , for while ...
... SOCIETIES . MANCHESTER LITERARY AND PHILOSOPHICAL SOCIETY. 32 the And here , perhaps , we may ask , what are the effects of diseased or putrid meat on the human system ? The ques- tion is undoubtedly very difficult to answer , for while ...
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Términos y frases comunes
acetic acetic acid action alcohol alkali ammonia amount analysis apparatus appears atomic becomes boiling bottle burning carbonic acid carbonic gas cent charcoal CHEMICAL Chemistry chemists chloride coal colour combustion composition compound containing copper coumaric acid coumarin crystallisation crystals decomposed decomposition dilute dissolved distillation electric ether experiments explosion Faraday filter flame flask fluid furnace fuses gases give glass grammes graphite grms heat hydrochloric acid hydrogen ignition inch insoluble iodide iron lecture light lime liquid manufacture marble means mercury metal method mixture nitrate nitric acid nitrogen observed obtained Odling ordinary organic matter oxalic oxide oxidised oxygen palladium paper phosphate phosphorus platinum potash potassa potassium powder precipitate present produced Professor quantity Royal salt silicate silver Society soda sodium soluble solution specific gravity spectrum steel substance sugar sulphate sulphide sulphuric acid temperature tion titanic acid tube vapour vessel weight wire zinc
Pasajes populares
Página 96 - Science and authors who have already been engaged in such investigations, and all others who may be interested in them, in order to strengthen their efforts by association, and by bringing together the results of such...
Página 31 - It thundered, and an oak was struck -with lightning on that part of Mount Palatine called Summa Velia, early in the afternoon. A fray happened in a tavern at the lower end of the / Banker's * Street, in which the keeper of the hog in armour tavern, was dangerously wounded.
Página 7 - Stevenson, president, in the chair. The minutes of the previous meeting having been read and confirmed, Mr.
Página 124 - Archimedean theorem, that when a solid body is immersed in a liquid, it loses a portion of its weight, equal to the weight of the fluid which it displaces or to the weight of its own bulk of the liquid.
Página 170 - I have been perfectly enchanted with the sight which my spectroscope has revealed to me. The solar and atmospheric spectra being hidden, and the image of the wide slit alone being visible, the telescope or slit is moved slowly, and the strange shadow-forms flit past.
Página 23 - Act, to any person unknown to the seller, unless introduced by some person known to the seller ; and on every sale of...
Página 140 - Michael was about five years old, to rooms over a coach-house, in Jacob's Well Mews, Charles Street, Manchester Square.
Página 284 - If the blast be continued for ten seconds after the proper point has been attained, or if it be discontinued ten seconds before that point is reached, the charge becomes either so viscid that it cannot be poured from the converter into the ladle...
Página 86 - I have no hesitation in stating that Heaton's process is based upon correct chemical principles : the mode of attaining the result is both simple and rapid. The nitric acid of the nitrate in this operation imparts oxygen to the impurities always present in cast iron, converting them into compounds which combine with the sodium ; and these are removed with the sodium in the slag. This action of the sodium is one of the peculiar features of the process, and gives it an advantage over the oxidizing...
Página 75 - Gun-cotton, silk, paper, cotton wool, calico, gelatine, and parchment were instantly converted into glutinous substances, and generally dissolved. The solution of gun-cotton yielded an inflammable film on evaporation to dryness. Pinewood instantly blackened. From the various physical and chemical properties of the anhydrous acid, the author concludes that it lies between hydrochloric acid and water, but is much more closely allied to the former than to the latter. It is more readily liquefied than...