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Trang 1740
... C . Nonstoichiometric magnesium - bearing calcium hydroxylapatites and carbonateapatites are obtained with the ratio Ca2 + : PO < 1.67 , as well as collagen - con- taining calcium magnesium hydroxylapatites and carbonateapatites .
... C . Nonstoichiometric magnesium - bearing calcium hydroxylapatites and carbonateapatites are obtained with the ratio Ca2 + : PO < 1.67 , as well as collagen - con- taining calcium magnesium hydroxylapatites and carbonateapatites .
Trang 1743
These bands appear in the IR absorption spectra of the heating products obtained at 90 , 340 , and 700 ° C ( curves 2 , 3 , 4 ) . In the product obtained at 960 ° C , there are no bands associated with the vibrations of CO3 groups ...
These bands appear in the IR absorption spectra of the heating products obtained at 90 , 340 , and 700 ° C ( curves 2 , 3 , 4 ) . In the product obtained at 960 ° C , there are no bands associated with the vibrations of CO3 groups ...
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The heating products of compounds I - III obtained at 960 ° C have identical chemical compositions , namely , Mgo.Ca9.8 ( PO4 ) 6 ( OH ) 1.8 , and have identical IR absorption spectra and X - ray diffraction patterns .
The heating products of compounds I - III obtained at 960 ° C have identical chemical compositions , namely , Mgo.Ca9.8 ( PO4 ) 6 ( OH ) 1.8 , and have identical IR absorption spectra and X - ray diffraction patterns .
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22nd International Chugaev Conference on Coordination Chemistry | 1634 |
Vol 49 No 11 | 1635 |
Synthesis and Study of the ASIUO6 nH₂O Compounds A Sr Ba | 1640 |
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acid analysis angles anion appear atoms band bond calculated carbon cations Chem chemical Chemistry chloride cm-¹ complex components composition compounds concentration constant containing coordination Copyright corresponding crystal Crystal Structure curves decrease described determined dimers distance effect electron elements energy enthalpy equilibrium experimental formation formed function glasses heating hydrogen bonds increase Inorg Inorganic intensity interaction ions Khim kJ/mol ligand luminescence measured metal method mixture molecules Moscow Neorg observed obtained oxide oxygen parameters phase Phys Physics polymer positions potential powder precipitate prepared presented pressure processing properties range ratio reaction reagents REFERENCES refined reflections region respectively Russ Russian samples Sciences shows solid solubility solution solvents space group spectra spectrum structure studied sublimation Synthesis Table temperature thermal tion unit values vapor vibrations X-ray diffraction