Quarterly Journal of the Chemical Society of London, Volume 7 |
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Page 1465
... potassium have been studied at temperatures of 400 ° ( Nb2O5 ) and 600 ° ( all three ) . Reaction products are black , hygroscopic powders , which have been examined by X - ray powder crystallography . In each case the equilibrium ...
... potassium have been studied at temperatures of 400 ° ( Nb2O5 ) and 600 ° ( all three ) . Reaction products are black , hygroscopic powders , which have been examined by X - ray powder crystallography . In each case the equilibrium ...
Page 1467
... potassium was heated in an open nickel crucible to 500 ° under vacuum , potassium distilled within ca. 2 hr . and the product con- tained niobium monoxide and the orthoniobate . ( iii ) When the mixture was heated to 400 ° and cooled ...
... potassium was heated in an open nickel crucible to 500 ° under vacuum , potassium distilled within ca. 2 hr . and the product con- tained niobium monoxide and the orthoniobate . ( iii ) When the mixture was heated to 400 ° and cooled ...
Page 1637
... potassium atoms are surrounded by nine or ten oxygen atoms with K - O distances ranging from 2.6-3.2 Å . Oxygen atoms of the water molecules are at least 2-8 Å from either the potassium atoms or the nitrilotrisulphonate anion . An ...
... potassium atoms are surrounded by nine or ten oxygen atoms with K - O distances ranging from 2.6-3.2 Å . Oxygen atoms of the water molecules are at least 2-8 Å from either the potassium atoms or the nitrilotrisulphonate anion . An ...
Contents
Inorganic physical and theoretical chemistry | 1001 |
J ROBINSON and C H L KENNARD | 1008 |
Nearestneighbour model for transfer of electronic excitation energy | 1016 |
Copyright | |
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absorption acid Acta adducts Amer anion aqueous assigned atoms band benzene bond calculated cancrinite carbon cation Chem chemical chemical shifts Chemistry chloride cm.¹ co-ordination cobalt(II complex compounds concentration configuration crystals density effect electron energy enthalpy equation equilibrium ethanol experimental Figure fluorine formation frequency H₂O hydrogen i.r. spectrum increase Inorg intensity interaction iron(II k₁ ligand linear magnetic measured metal methaemoglobins method methyl mixture modes mole mole-¹ molecular molecule n.m.r. spectra niobium nitrogen Nujol observed obtained orbitals oxidation oxygen parameters peak perchlorate perchloric acid phenyl phosphine phosphorus Phys potassium prepared present proton pyridine radical Raman rate constant reaction resonance ring room temperature salt sample shift shown sodalite sodium solid solution solvent species spectra structure studied sulphur symmetry Table thiocyanate tion trans tributyl phosphate triphenylphosphine values vanadium(IV vibrations X-ray zeolite