Aluminium: Its History, Occurrence, Properties, Metallurgy and Applications, Including Its Alloys |
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Page 45
... contain Fe , which must be removed by ex- pensive processes . Some observations on a native alum deposited in New Mexico will be found in the Appendix . We will here consider at greater length only beauxite and cryolite . BEAUXITE ...
... contain Fe , which must be removed by ex- pensive processes . Some observations on a native alum deposited in New Mexico will be found in the Appendix . We will here consider at greater length only beauxite and cryolite . BEAUXITE ...
Page 47
... containing 62.10 Al2O3 , 6.11 Fe2O3 , 5.06 SiO2 , and 20.83 H2O was much darker and more impure looking than that from Wochein ( h ) which contained only 29.8 per cent . A1203 . CRYOLITE . Cryolite was first found at Ivigtuk , in ...
... containing 62.10 Al2O3 , 6.11 Fe2O3 , 5.06 SiO2 , and 20.83 H2O was much darker and more impure looking than that from Wochein ( h ) which contained only 29.8 per cent . A1203 . CRYOLITE . Cryolite was first found at Ivigtuk , in ...
Page 66
... containing , as is easily found in many specimens , a little cryo- lite and fusible materials , the density of which is near that of the metal , and which were employed in producing it . The complete separation of the metal and flux is ...
... containing , as is easily found in many specimens , a little cryo- lite and fusible materials , the density of which is near that of the metal , and which were employed in producing it . The complete separation of the metal and flux is ...
Page 73
... that in melting together polysulphide of potassium and some aluminium containing copper or iron , the latter are attacked without the aluminium being sensibly affected . Unhappily , 7 CHEMICAL PROPERTIES OF ALUMINIUM . 73.
... that in melting together polysulphide of potassium and some aluminium containing copper or iron , the latter are attacked without the aluminium being sensibly affected . Unhappily , 7 CHEMICAL PROPERTIES OF ALUMINIUM . 73.
Page 85
... contain belongs to a higher order . The chlorhydrate of Al itself dissolves aluminium forming a sub - chlorhydrate with evolution of hy- drogen . Tissier : NaCl is employed as a flux for Al in remelting it . It does not possess the ...
... contain belongs to a higher order . The chlorhydrate of Al itself dissolves aluminium forming a sub - chlorhydrate with evolution of hy- drogen . Tissier : NaCl is employed as a flux for Al in remelting it . It does not possess the ...
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Common terms and phrases
acid alkali alloy of aluminium alum alumina aluminium bronze aluminium chloride beauxite brittle calcining carbonic oxide cast cent charcoal charge Chem chemical clay color condenser containing cooling copper corundum Cowles Bros crucible cryolite cupelled decomposed deposit Deville Deville's dissolved double chloride earthen crucible easily electricity electrodes electrolysis experiments fluoride fluorspar flux formed Fremy furnace fused fusible fusion give globules grammes grms heated to redness hydrochloric acid hydrogen ingot iron kilos layer malleable manufacture mass melted method Mierzinski minium mixed mixture NaCl nitric acid obtained operation oxide patent placed porcelain potassium pounds powder precipitated producing aluminium properties pulverized pure aluminium quantity reaction red heat reduced residue retort reverberatory furnace Salindres salt silicon silver slag soda sodium sodium fluoride solder solution Stohman sulphate sulphide sulphur temperature tion Tissier tube vapor vessel volatile washing Wöhler zinc
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