Russian Journal of Inorganic Chemistry, Tập 22Chemical Society., 1977 |
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Kết quả 1-3 trong 82
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The heating curve of " chemically pure " grade crystal- line potassium metaphosphate showed three endothermic effects . The first two at 460 ° C and 656 ° C correspond to polymorphic transformations of potassium metaphosphate , and the ...
The heating curve of " chemically pure " grade crystal- line potassium metaphosphate showed three endothermic effects . The first two at 460 ° C and 656 ° C correspond to polymorphic transformations of potassium metaphosphate , and the ...
Trang 31
... heating 410 320 860 DTA 320 420 Table 2 . various phosphates . 2 DTGA 400 1 590 725 Composition of specimens 100 360 2 Heating tem . , ° C 365 600 860 680 960 TGA 5 % Complexone III solution , duration of contact 90 h Method of ...
... heating 410 320 860 DTA 320 420 Table 2 . various phosphates . 2 DTGA 400 1 590 725 Composition of specimens 100 360 2 Heating tem . , ° C 365 600 860 680 960 TGA 5 % Complexone III solution , duration of contact 90 h Method of ...
Trang 493
... heat- ing Cu2O . Temp . of heating , ° C Duration of heating , h Colour of specimen Presence of CuO acu2O Å 25 1 210 1 220 88-23YNO -23T red no 4.2032 0.5 brown no 4.265 dark brown no 4.260 ditto по 4.268 no 4.269 no 4.269 no 4.269 no ...
... heat- ing Cu2O . Temp . of heating , ° C Duration of heating , h Colour of specimen Presence of CuO acu2O Å 25 1 210 1 220 88-23YNO -23T red no 4.2032 0.5 brown no 4.265 dark brown no 4.260 ditto по 4.268 no 4.269 no 4.269 no 4.269 no ...
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JOURNAL | 1 |
olatilisation and thermodynamic properties | 6 |
Reaction of tricalcium orthophosphate with | 33 |
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absorption band absorption spectra acid Akad alkali metal ammonium analysis anion aqueous solutions atoms bond bromine calculated cations cerium Chem chemical Chemistry chloride cm-¹ cm¹ complex formation composition compounds concentration coordination copper(II corresponding crystallisation crystals curve decomposition decrease dehydration density determined electron endothermic endothermic effects equilibrium diagram erbium ethanol experimental Figure formed H₂O hafnium heating hydrate hydrogen hydrolysis hydroxides increase infrared spectra Inorg interaction investigated ions iron(III isotherm Khim Khimiya lanthanide lanthanum ligand melts metaphosphates method mixtures mole molecules Moscow Na₂HPO4 Nauk SSSR neodymium Neorg nickel(II obtained oxide oxygen parameters phosphate phosphorite polyphosphates potassium precipitate protons pyrochlore range ratio reaction Russ salts shows sodium solid phase solid solutions solubility specimens spectrum stability constants structure studied sulphates Table temperature thermal tion titration Translated from Zhurnal tungstates tungsten vanadium(V vibrations wavenumbers X-ray diffraction X-ray diffraction patterns Zhur Zhurnal Neorganicheskoi Khimii