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The thermoanalytical curves for the single - phase NiMnO2 ilmenite are shown in Fig . 5. This compound is seen to be stable up to 785 ° C . The exotherm at 815 ° C is associated with NiMnO3 decomposition producing NiMn2O4 and NiO .
The thermoanalytical curves for the single - phase NiMnO2 ilmenite are shown in Fig . 5. This compound is seen to be stable up to 785 ° C . The exotherm at 815 ° C is associated with NiMnO3 decomposition producing NiMn2O4 and NiO .
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The comparison of the above distribution diagrams with similar curves that ignore polynuclear hydrolysis ( Fig . 1 , curves 5–8 ) shows that they coincide up to pH ~ 2.1 . At higher pHs , the experimentally derived percentages of ...
The comparison of the above distribution diagrams with similar curves that ignore polynuclear hydrolysis ( Fig . 1 , curves 5–8 ) shows that they coincide up to pH ~ 2.1 . At higher pHs , the experimentally derived percentages of ...
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HowL ever , spinel samples synthesized from constituent eleL + Cr Sez ments or components and annealed for a long period show an endothermal event at 885 + 5 ° C on their heat2 ing traces ; this event does not appear on cooling curves .
HowL ever , spinel samples synthesized from constituent eleL + Cr Sez ments or components and annealed for a long period show an endothermal event at 885 + 5 ° C on their heat2 ing traces ; this event does not appear on cooling curves .
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Vol 48 No 9 | 1280 |
Simultaneous English language translation of the journal is available from MAIK NaukaInterperiodica Russia | 1446 |
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absorption acid activation analysis angles anions atoms band bismuth bond bond lengths calculated cations Chem chemical Chemistry complex components composition compounds concentration constant containing coordination Copyright corresponding crystal crystal structure curves decreases determined diagram distances effect electronic energy experimental field formation formed heating hydrogen increases Inorganic intensity interaction ions Khim layer ligand Mater measured melting metal method mixture molecules Moscow Neorg Note observed obtained Original oxidation oxygen parameters patterns phase Physics points positions prepared presented properties range ratio reaction REFERENCES refined reflections region respectively Russian salt samples Sciences shifts shown shows signals sodium solid solutions solubility space space group spectra spectrum stability structure studied synthesis Table temperature thermal tion transition Translation values vibrations X-ray diffraction