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as compared with the corresponding absorption band in the spectrum of the initial extractant , which is consistent with the cation exchange mechanism of extraction ( 5,6 ) . Moreover , in this spectrum , the bands caused by sulfate ...
as compared with the corresponding absorption band in the spectrum of the initial extractant , which is consistent with the cation exchange mechanism of extraction ( 5,6 ) . Moreover , in this spectrum , the bands caused by sulfate ...
Trang 1438
31P , 13C NMR and IR spectral parameters of the resulting solutions of complexes lla and IIb in benzene NMR IR spectrum 13C ( carbonyl region ) 31p Sp , ppm Compound Sc , ppm V ( CO ) , ( ' J ( P , Rh ) , Hz ) cm - 1 lla 141.3 ( 296.5 ) ...
31P , 13C NMR and IR spectral parameters of the resulting solutions of complexes lla and IIb in benzene NMR IR spectrum 13C ( carbonyl region ) 31p Sp , ppm Compound Sc , ppm V ( CO ) , ( ' J ( P , Rh ) , Hz ) cm - 1 lla 141.3 ( 296.5 ) ...
Trang 1461
After 5 days the ' H NMR spectrum changed Table 2. 19F NMR parameters of tantalum and niobium ( Fig . 36 ) : the intensity of the thione from signals pentafluorocomplexes with . monothiophosphoric and decreased and new lines appeared ...
After 5 days the ' H NMR spectrum changed Table 2. 19F NMR parameters of tantalum and niobium ( Fig . 36 ) : the intensity of the thione from signals pentafluorocomplexes with . monothiophosphoric and decreased and new lines appeared ...
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Vol 38 No 7 | 1012 |
Thermal Dehydration of Copper Hydroxophosphate | 1018 |
On the Problem of Chemical Mechanisms of Fluorapatite Dissolution in Acids | 1025 |
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absorption according acid analysis angles anion aqueous atoms bands basis bond calculated cations characteristics Chem chemical Chemistry chloride compared complexes composition compounds concentration conductivity configuration constants containing coordination Copyright corresponding crystal curve decrease dependence described determined distances effect electron elements energy exchange exhibit experimental extraction field formation heating hydrogen increase initial Inorganic Institute interaction ions Khim leads ligand measurements metal method mixture molecules Moscow nature Neorg Note observed obtained occurs oxides oxygen atoms parameters phase Phys position possible present properties proton range ratio reaction REFERENCES reflections region respectively Russian salts sample shows similar solid solubility solution space group spectra spectrum stability structure studied synthesis Table temperature thermal tion transition tungsten unit values various X-ray diffraction