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The reaction was found to start above 500 ° C . The reaction is accompanied by a stepwise consumption of heat to yield a mixture of crystalline products comprising the starting phosphate , copper metal , and some crystalline phases ...
The reaction was found to start above 500 ° C . The reaction is accompanied by a stepwise consumption of heat to yield a mixture of crystalline products comprising the starting phosphate , copper metal , and some crystalline phases ...
Trang 739
The results indicate that heating the equimolar reagent mixture to 550 ° C , i.e. , to the A - peak the powder patterns ( Fig . 3b ) . On the other hand , in tion products that are manifested as the new phase in . temperature , produces ...
The results indicate that heating the equimolar reagent mixture to 550 ° C , i.e. , to the A - peak the powder patterns ( Fig . 3b ) . On the other hand , in tion products that are manifested as the new phase in . temperature , produces ...
Trang 868
The reactions tents in the starting mixture exceeded the stoichiometry are , however , continuous and proceed stepwise to evolve within 30 % . The excess phosphoric anhydride had an ammonia and to give dense cakes .
The reactions tents in the starting mixture exceeded the stoichiometry are , however , continuous and proceed stepwise to evolve within 30 % . The excess phosphoric anhydride had an ammonia and to give dense cakes .
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absorption according acid allows analysis angles anion aqueous atoms band binary bond calculated cations Chem chemical Chemistry complexes components composition compounds concentration constant containing coordination Copyright corresponding crystal curves decrease dependence described determined distances effect electron elements energy equal equilibrium experimental formation heating increase initial Inorganic intensity interaction Interperiodica ions Khim Khimii layer leads ligand lines mass measured melting metal method mixture mol/l molecules Moscow Neorg observed obtained occurs Original oxide oxygen atoms parameters patterns phase phosphates points position possible potassium precipitate prepared present properties range ratio reaction REFERENCES reflections region respectively Russian salt samples shows similar solid solubility solutions space group spectra spectrum stability structure studied synthesis Table temperature thermal tion values vibrations X-ray diffraction