Russian Journal of Inorganic Chemistry, Tập 48,Số phát hành 9-12Chemical Society., 2003 |
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... ( curve 4 ) , whose amount reaches 100 % at pH 3.1 ( [ OH - ] / [ M " + ] = 2.5 ) . In the range pH 1.75–3.0 , dihydroxo species [ Fe ( OH ) 2 ( H2O ) 4 ] * also exist ( curve 3 ) , but they do not exceed 2 % and have no key role in Fe3 + ...
... ( curve 4 ) , whose amount reaches 100 % at pH 3.1 ( [ OH - ] / [ M " + ] = 2.5 ) . In the range pH 1.75–3.0 , dihydroxo species [ Fe ( OH ) 2 ( H2O ) 4 ] * also exist ( curve 3 ) , but they do not exceed 2 % and have no key role in Fe3 + ...
Trang 1611
... ( curve 1 ) and the chemical destruction rate ( curve 2 ) each have a maximum . When the oxidizer concentration is higher than 0.2 mol / l , lead dioxide is formed as follows : PbS + 5Na2S2Og + 12NaOH = PbO2 + 11Na2SO4 + 6H2O . ( 2 ) ...
... ( curve 1 ) and the chemical destruction rate ( curve 2 ) each have a maximum . When the oxidizer concentration is higher than 0.2 mol / l , lead dioxide is formed as follows : PbS + 5Na2S2Og + 12NaOH = PbO2 + 11Na2SO4 + 6H2O . ( 2 ) ...
Trang 1612
... ( curve 1 ) and v ( curve 2 ) and by a decrease in the PbS percentage content of the layer ( curve 3 ) . The PbS layer 2.5 × 10-6 m thick is com- pletely oxidized when the treatment duration with an oxidizer solution is at least 9000 s ...
... ( curve 1 ) and v ( curve 2 ) and by a decrease in the PbS percentage content of the layer ( curve 3 ) . The PbS layer 2.5 × 10-6 m thick is com- pletely oxidized when the treatment duration with an oxidizer solution is at least 9000 s ...
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Vol 48 No 9 | 1282 |
Simultaneous English language translation of the journal is available from MAIK NaukaInterperiodica Russia | 1446 |
Vol 48 No 11 2003 | 1615 |
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absorption acid activation analysis angles anion atoms band bond calculated cations Chem chemical Chemistry cm-¹ complexes components composition compounds concentration constant containing coordination Copyright corresponding crystal crystal structure curves decreases determined diagram distances effect electron energy experimental field formation formed function heating hydrogen increases Inorganic intensity interaction ions Journal Khim layer ligand materials measured melting metal method mixture molecules Moscow Neorg Note observed obtained oxidation oxygen parameters phase Physics positions prepared properties range ratio reaction REFERENCES refined reflections region respectively ring Russian salt samples Sciences shifts shown shows signals single sodium solid solid solutions solubility solutions space space group spectra spectrum spinel stability structure studied Synthesis Table temperature thermal tion trans transition Translation values vibrations X-ray diffraction