Crystal structures and physicochemical properties of mixed salts of ammonium nitrate and sulfate

Mixed salts (NH 4 ) 2 SO 4 ·2NH 4 NO 3 ( 1 ) and (NH 4 ) 2 SO 4 ·3NH 4 NO 3 ( 2 ) were synthesized and studied by X-ray diffraction analysis. The unit cell parameters of these salts were determined and their crystal structures were solved. The thermal stability of the salts was studied by differenti...

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Veröffentlicht in:Russian chemical bulletin 2012, Vol.61 (1), p.33-39
Hauptverfasser: Babkina, T. S., Golovina, N. B., Bogachev, A. G., Olenev, A. V., Shevelkov, A. V., Uspenskaya, I. A.
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Sprache:eng
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Zusammenfassung:Mixed salts (NH 4 ) 2 SO 4 ·2NH 4 NO 3 ( 1 ) and (NH 4 ) 2 SO 4 ·3NH 4 NO 3 ( 2 ) were synthesized and studied by X-ray diffraction analysis. The unit cell parameters of these salts were determined and their crystal structures were solved. The thermal stability of the salts was studied by differential scanning calorimetry and thermogravimetric analysis. The temperatures and enthalpies of incongruent melting of compounds 1 and 2 were determined. The enthalpies of formation from the constituent salts were estimated.
ISSN:1066-5285
1573-9171
DOI:10.1007/s11172-012-0005-x