Low-Temperature Synthesis of Highly Dispersed Strontium Aluminate

Low-Temperature Synthesis of Highly Dispersed Strontium Aluminate

A new method for producing highly dispersed strontium aluminate with specified properties (low bulk density, particle size and shape) is described. The essence of the method is the sequential multi-stage heat treatment of a concentrated water-carbohydrate solution of Al(NO 3 ) 3 , Sr(NO 3 ) 2 , and...

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Veröffentlicht in:Russian journal of inorganic chemistry 2023-12, Vol.68 (12), p.1744-1751
Hauptverfasser: Kozlova, L. O., Ioni, Yu. V., Son, A. G., Buzanov, G. A., Murav’eva, G. P., Kozerozhets, I. V.
Format: Artikel
Sprache:eng
Schlagworte:
Aluminum oxide
Bulk density
Carbohydrates
Chemistry
Chemistry and Materials Science
Crystallization
Heat treatment
Inorganic Chemistry
Low temperature
Production methods
Synthesis
Synthesis and Properties of Inorganic Compounds
X ray powder diffraction
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Beschreibung
Zusammenfassung:A new method for producing highly dispersed strontium aluminate with specified properties (low bulk density, particle size and shape) is described. The essence of the method is the sequential multi-stage heat treatment of a concentrated water-carbohydrate solution of Al(NO 3 ) 3 , Sr(NO 3 ) 2 , and D-glucose. The final product has a molar ratio of SrO : Al 2 O 3 = 1 : 1. The main stages of the synthesis have been characterized by X-ray powder diffraction, SEM, and TEM methods. The initial stages of crystallization of SrAl 2 O 4 upon heating at 1400°C have been revealed.
ISSN:0036-0236
1531-8613
DOI:10.1134/S0036023623602374