Russian Journal of Inorganic Chemistry, Tập 44,Số phát hành 9-12British Library Lending Division with the cooperation of the Royal Society of Chemistry, 1999 |
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Trang 1354
... Mixture Temp . , ° C 8 : 1 ( I ) 250 Crystalline phases ( NH4 ) V6O17 · 14H2O , Na2V6O16 · 3H2O . 300 400 V2O5 ... mixture dissociates at lower temperatures compared to the pure salt and produces an equal mixture of the two polyvanadates ...
... Mixture Temp . , ° C 8 : 1 ( I ) 250 Crystalline phases ( NH4 ) V6O17 · 14H2O , Na2V6O16 · 3H2O . 300 400 V2O5 ... mixture dissociates at lower temperatures compared to the pure salt and produces an equal mixture of the two polyvanadates ...
Trang 1552
... mixture of 3.305 g ( 0.02 mol ) of L - ephedrine and 4.947 g ( 0.02 mol ) of P ( NEt2 ) , was heated in a current of argon to 120 ° C and maintained at that temperature with stirring for 1 h . To completely remove HNEt2 , the reaction ...
... mixture of 3.305 g ( 0.02 mol ) of L - ephedrine and 4.947 g ( 0.02 mol ) of P ( NEt2 ) , was heated in a current of argon to 120 ° C and maintained at that temperature with stirring for 1 h . To completely remove HNEt2 , the reaction ...
Trang 1824
... mixture , when heated to 60 ° C for 30 min , yielded a pale pink oil , which was washed with water ( 50 ml 3-4 times ) and extracted with chloroform . The organic layer was dried over 4 Å molecular sieves . After the solution was ...
... mixture , when heated to 60 ° C for 30 min , yielded a pale pink oil , which was washed with water ( 50 ml 3-4 times ) and extracted with chloroform . The organic layer was dried over 4 Å molecular sieves . After the solution was ...
Nội dung
Vol 44 No 9 1999 | 1335 |
Structural Transitions in Neodymium Nickelate upon Iso and Heterovalent Substitutions | 1342 |
Synthesis and Study of New Compounds of the Uranovanadate Family | 1347 |
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ų absorption Academy of Sciences acid Akad analysis angles anions aqueous solutions atoms band bond lengths Buslaev calculated carbon cations Chem chemical shifts chloride cm-¹ complexes composition compounds concentration coordination corresponding crystal structure Crystallogr curves decomposition decrease diffraction patterns electron English Translation Copyright eutectic experimental extraction fluoride formation H₂O heating hydrogen bonds increase Inorganic Chemistry interaction ions Khim Koord ligand melting metal mol/l Moscow Nauk SSSR Neorg obtained Original Russian Text oxidation oxygen atoms phase diagram Phys plane platinum(IV plexes ratio reaction reagent refined Russia Received Russian Academy Russian Text Copyright salts samples sodium solid solutions solubility space group spectrum stability struc studied sulfide symmetry synthesis Table temperature thermal tion transition ture unit cell unit cell parameters uranyl valence values vanadium vanadium(V vibrational water molecules X-ray diffraction Yu.A