Chemical News and Journal of Industrial Science, Tomy 101-102Chemical news office., 1910 |
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Strona 22
... gold - leaf electroscopes , which , he maintained , had a very small natural leak . He had discarded all electroscopes , the leak of which was greater than 1 mm . per hour , and in the majority of cases the leak in his electroscope was ...
... gold - leaf electroscopes , which , he maintained , had a very small natural leak . He had discarded all electroscopes , the leak of which was greater than 1 mm . per hour , and in the majority of cases the leak in his electroscope was ...
Strona 36
... Gold and Silver Refiners , & c . , 40 and 42 , CLERKENWELL ROAD , E.C. Photographic Residues Reduced and Purchased CHEMISTRY AND PHYSICS . With special reference to Practical Work . By J. W. MELLOR , D.Sc. THIRD EDITION , Enlarged ...
... Gold and Silver Refiners , & c . , 40 and 42 , CLERKENWELL ROAD , E.C. Photographic Residues Reduced and Purchased CHEMISTRY AND PHYSICS . With special reference to Practical Work . By J. W. MELLOR , D.Sc. THIRD EDITION , Enlarged ...
Strona 74
... gold , and silver , and hydrogen and oxygen . Persons may doubt , whether these are elementary bodies ; but it is not philosophical to doubt whether they have not been resolved * Scheele himself did not use this term , which is of later ...
... gold , and silver , and hydrogen and oxygen . Persons may doubt , whether these are elementary bodies ; but it is not philosophical to doubt whether they have not been resolved * Scheele himself did not use this term , which is of later ...
Strona 85
... gold , palladium , rhodium , platinum , lead , zinc , barium , calcium , and aluminium ; some of these elements being derived from the vessels position . Thus , on trying to separate lead by treatment with potash we found that a large ...
... gold , palladium , rhodium , platinum , lead , zinc , barium , calcium , and aluminium ; some of these elements being derived from the vessels position . Thus , on trying to separate lead by treatment with potash we found that a large ...
Strona 87
... gold ( Fourn . Chem . Soc . , 1887 , li . , 569 ) , and which had been prepared in precisely the same manner . This silver was estimated by the late Chief Assayer of the Mint , Sir William Roberts - Austen , after a series of very ...
... gold ( Fourn . Chem . Soc . , 1887 , li . , 569 ) , and which had been prepared in precisely the same manner . This silver was estimated by the late Chief Assayer of the Mint , Sir William Roberts - Austen , after a series of very ...
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acetic acid action alcohol alkaline aluminium ammonia ammonium amount analysis apparatus atomic weight B.Sc barium boiling bromide calcium calculated carbon dioxide cent Chem chemical Chemistry chemists chloride colour comet compounds concentrated condensation containing copper crystalline D.Sc decomposed derivatives determination dilute dissolved distilled ether ethyl evaporated excess experiments filter filtrate flask formed formula gives gold grms heated hydrochloric acid hydrogen hydroxide invertase iodide iodine iron J. J. Thomson ketone liquid melting metal method mgrms mineral mixture molecular molecules muriatic niobic nitrate nitric acid obtained oxide oxidised oxygen paper perchloric acid permanganate phosphorus platinum potassium precipitate prepared present Prof pure quantity reaction reduced residue salt sample scandium silver phosphate Society sodium sodium carbonate soluble substance sugar sulphate sulphide sulphuric acid tantalic acid tantalum telluride tellurium temperature theory tion titanic acid titanium tube vanadium vapour washed ytterbium zinc