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To quantify the constitutional carbonate ions in apatite from the IR spectra , the discs were exposed at 400 ° C for 2 h in order to remove the organic component , whose absorption bands are overlapped by the bands from CO groups .
To quantify the constitutional carbonate ions in apatite from the IR spectra , the discs were exposed at 400 ° C for 2 h in order to remove the organic component , whose absorption bands are overlapped by the bands from CO groups .
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... zinc and molybdenum pass into the organic phase as either di ( 2 - ethylhexyl ) dithio- phosphates or trioctylmethylammonium complex anion salts . ... is higher than that of the parent organic acid or QAB salt ( e.g. , chloride ) .
... zinc and molybdenum pass into the organic phase as either di ( 2 - ethylhexyl ) dithio- phosphates or trioctylmethylammonium complex anion salts . ... is higher than that of the parent organic acid or QAB salt ( e.g. , chloride ) .
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The extraction experiments were conducted in test tubes with ground stoppers at ( 20 ± 2 ) ° C and an organic - to - aqueous phase ratio of 1 : 1. The solutions . were stirred on a stirrer at 60 rpm for 1 h , which was sufficient for ...
The extraction experiments were conducted in test tubes with ground stoppers at ( 20 ± 2 ) ° C and an organic - to - aqueous phase ratio of 1 : 1. The solutions . were stirred on a stirrer at 60 rpm for 1 h , which was sufficient for ...
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Vol 49 No 8 | 1136 |
Synthesis and Characterization of Some Rubidium Orthoperiodates | 1143 |
Interaction of Zirconium Yttrium and Zinc Tetrahydroborate Complexes | 1154 |
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absorption According acid addition analysis angles anion aqueous atoms band bismuth bond cage calculated cations changes Chem chemical Chemistry chloride clusters cm-¹ compared complex composition compounds concentration constants containing coordination Copyright corresponding crystal curves decomposition decrease determined distances effect electronic energy exchange experimental extraction formation frequencies groups heating higher hydrates hydrogen increase Inorg Inorganic interaction ions isomer Khim layer lead lengths ligand measured metal method mixture mol/l molecular molecules Moscow Neorg observed obtained oxide oxygen parameters phase Phys Physics positions prepared presence properties range ratio reaction REFERENCES refined reflections region respectively Russ Russian salt sample Sciences shifts showed sodium solid solution space group spectra spectrum stability stage structure studied synthesis Table temperature thermal tion Translation unit values vibrations X-ray diffraction