Russian Journal of Inorganic Chemistry, Tập 9,Phần 2British Library Lending Division with the cooperation of the Royal Society of Chemistry, 1964 |
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Trang 833
... sulphur or pyrite . EXPERIMENTAL The starting materials were " chemically pure " grade germanium dioxide , " pure " grade elemental sulphur , and pyrite containing iron 57.8 , sulphur 42 % . The reaction between germanium dioxide and ...
... sulphur or pyrite . EXPERIMENTAL The starting materials were " chemically pure " grade germanium dioxide , " pure " grade elemental sulphur , and pyrite containing iron 57.8 , sulphur 42 % . The reaction between germanium dioxide and ...
Trang 834
... sulphur compounds : 1 ) sulphidation by sulphur in the presence of carbon ; 2 ) sulphidation by pyrite ; 3 ) sulphidation by sulphur . The experimental results for the reaction between ger- manium dioxide and pyrite are shown in Fig . 3 ...
... sulphur compounds : 1 ) sulphidation by sulphur in the presence of carbon ; 2 ) sulphidation by pyrite ; 3 ) sulphidation by sulphur . The experimental results for the reaction between ger- manium dioxide and pyrite are shown in Fig . 3 ...
Trang 837
... sulphur . ~ We were unable to detect analytically the presence of sulphate ion or of germanium compounds of the sulphate type in the oxidation products obtained over the whole tem- perature range . Elemental sulphur could not be ...
... sulphur . ~ We were unable to detect analytically the presence of sulphate ion or of germanium compounds of the sulphate type in the oxidation products obtained over the whole tem- perature range . Elemental sulphur could not be ...
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INORGANIC | 829 |
Thermodynamic properties of magnesium antimonide | 842 |
O E ZVYAGINTSEV and V P TIKHONOV | 860 |
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absorption acid Akad alkali alloys ammonium ampoule analysis anion aqueous solutions atoms bromide caesium calculated carbon cations cerium Chem chemical chloride coefficient complex components composition compounds concentration corresponding crystal crystallisation curves decomposition decrease density determined diagonals dioxide dissociation electrical resistivity electrode equilibrium diagram erbium eutectic experimental extraction formation formed germanium germanium dioxide H₂O hafnium heating hydrochloric acid hydrogen increase Inorg ions isotherm kcal Khim lanthanum lattice ligand liquid lithium melting metal method mixture molar mole molybdenum Moscow Nauk SSSR neodymium Neorg niobium nitrate nitric acid obtained oxalate oxalato-groups oxide peritectic phosphate potassium praseodymium precipitate ratio reaction reciprocal system region rubidium Russ salt shows sodium solid phase solid solutions solu solubility solvent specimens spectra stability constants studied sulphate sulphur Table tellurium temperature ternary thallium thermal tion values vapour X-ray yttrium Zhur zirconium zirconyl