Sample-Preparation Methods for Oil-Refining Process Catalysts to Determine Their Elemental Compositions by Atomic Spectroscopy

Chemical sample-preparation methods (such as high-temperature fusion, autoclave decomposition, and acid dissolution in open systems) of catalysts for oil-refining processes to determine their elemental compositions using inductively coupled plasma atomic (optical) emission spectroscopy were consider...

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Veröffentlicht in:	Chemistry and technology of fuels and oils 2022-11, Vol.58 (5), p.787-789
Hauptverfasser:	Shneider, B. V., Orlov, S. V., Pushkina, O. Yu, Zhmaeva, E. V.
Format:	Artikel
Sprache:	eng
Schlagworte:	Acid dissolution Catalysts Chemistry Chemistry and Materials Science Composition Dissolution Geotechnical Engineering & Applied Earth Sciences High temperature Hydrogen peroxide Inductively coupled plasma Industrial Chemistry/Chemical Engineering Innovative Technologies of Oil and Gas Lithium borates Methods Mineral Resources Open systems Spectrum analysis Sulfuric acid Technology application
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Zusammenfassung:	Chemical sample-preparation methods (such as high-temperature fusion, autoclave decomposition, and acid dissolution in open systems) of catalysts for oil-refining processes to determine their elemental compositions using inductively coupled plasma atomic (optical) emission spectroscopy were considered. The influence of HNO 3 , H 3 PO 4 , H 2 SO 4 , H 2 O 2 , and Li 2 B 4 O 7 necessary to dissolve the catalysts on the analytical signal values for several elements was studied. Regularities and features of various methods of sample preparation and their influence on the completeness of dissolution of certain elements were established.
ISSN:	0009-3092 1573-8310
DOI:	10.1007/s10553-022-01451-y