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The resulting dark green precipitate was filtered off , washed with 2 M HCl ( 50 ml ) , acetone ( 50 ml ) , and diethyl ether ( 50 ml ) , and then dried in a vacuum desiccator over solid KOH to a constant weight . Yield , 70 % .
The resulting dark green precipitate was filtered off , washed with 2 M HCl ( 50 ml ) , acetone ( 50 ml ) , and diethyl ether ( 50 ml ) , and then dried in a vacuum desiccator over solid KOH to a constant weight . Yield , 70 % .
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1 , Ivanovo , 153045 Russia Received July 22 , 1999 Abstract — A method for the direct measurement of the equilibrium constant of reaction for the formation of RI porphyrin complexes is proposed . According to this method ...
1 , Ivanovo , 153045 Russia Received July 22 , 1999 Abstract — A method for the direct measurement of the equilibrium constant of reaction for the formation of RI porphyrin complexes is proposed . According to this method ...
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The temperature and frequency behavior of the active and reactive components of the dielectric constant were studied over the ranges ( -180 ) - ( + 700 ° C ) and 1-1000 kHz . The curves of the Pb3Ga2Ge4014 dielectric constant plotted in ...
The temperature and frequency behavior of the active and reactive components of the dielectric constant were studied over the ranges ( -180 ) - ( + 700 ° C ) and 1-1000 kHz . The curves of the Pb3Ga2Ge4014 dielectric constant plotted in ...
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HighTemperature Superconductors | 1319 |
Synthesis and Properties of Mixed Oxides M5A0 5Zr1 5M0O46 M K | 1327 |
Variation of the Composition of Hydrous Metal Oxide Hydroxides | 1335 |
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absorption According acid addition analysis angles anion atoms bands bismuth bond calculated carbon cations changes Chem chemical Chemistry chloride cm-¹ complexes composition compounds concentration constant containing coordination Copyright corresponding crystal curves decrease described determined diagram distances effect electron energy existence experimental extraction fluorine formation frequencies H₂O heating higher hydrogen increase initial Inorganic Institute interaction ions Journal Khim layers ligand lines measured melting metal method mixture mol/l molecules Moscow Neorg observed obtained oxides oxygen parameters patterns peaks phase Physics positions potassium powder precipitation prepared presented properties range ratio reaction REFERENCES reflections region respectively Russian salts samples Sciences shows sodium solid solubility solutions space group spectra spectrum stability structure studied synthesis Table temperature thermal tion transition Translation unit cell values vibrations X-ray X-ray diffraction