Chemical News and Journal of Industrial Science, Tomy 101-102Chemical news office., 1910 |
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Strona 5
... nitric acid naturally yields very con- siderable amounts of sulphurous acid , and acetic acid in presence of hydrogen peroxide does not possess the solvent power of sulphuric acid . The quantity of sulphurous acid to be added depends ...
... nitric acid naturally yields very con- siderable amounts of sulphurous acid , and acetic acid in presence of hydrogen peroxide does not possess the solvent power of sulphuric acid . The quantity of sulphurous acid to be added depends ...
Strona 6
... nitric acid are poured around the sides of the dish , 10 cc . of water are added , and then 3 to 5 cc . of hydrofluoric acid . The dish is covered with a watch crystal , and is evaporated by boiling to a volume of less than 10 cc . , or ...
... nitric acid are poured around the sides of the dish , 10 cc . of water are added , and then 3 to 5 cc . of hydrofluoric acid . The dish is covered with a watch crystal , and is evaporated by boiling to a volume of less than 10 cc . , or ...
Strona 7
... nitric acid , and the vanadium , iron , and aluminium are rendered insoluble by evaporating to complete dry- ness . Uranium and the alkalis are extracted by water containing a little ammonium nitrate . The vanadium , in acid solution ...
... nitric acid , and the vanadium , iron , and aluminium are rendered insoluble by evaporating to complete dry- ness . Uranium and the alkalis are extracted by water containing a little ammonium nitrate . The vanadium , in acid solution ...
Strona 8
... nitric and sulphuric acids , if desired , care being taken to expel all the nitric acid by evaporation . The solution is evaporated until the greater part of the acid is driven off . It is cooled , diluted , an excess of sodium ...
... nitric and sulphuric acids , if desired , care being taken to expel all the nitric acid by evaporation . The solution is evaporated until the greater part of the acid is driven off . It is cooled , diluted , an excess of sodium ...
Strona 17
... nitric acid in small amounts ; with most alloys solution can be effected in a very few minutes , and without adding more than 1 or 2 cc . of nitric acid . Evaporate off the acid on a steam - bath . It is not necessary to carry to ...
... nitric acid in small amounts ; with most alloys solution can be effected in a very few minutes , and without adding more than 1 or 2 cc . of nitric acid . Evaporate off the acid on a steam - bath . It is not necessary to carry to ...
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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