Data/hora: 18/06/2024 05:42:58

Biblioteca(s): 	Embrapa Pecuária Sudeste.	
Data corrente: 	13/05/2003	
Data da última atualização: 	20/06/2022	
Autoria: 	NÓBREGA, J. A.; TREVIZAN, L. C.; ARAÚJO, G. C. L.; NOGUEIRA, A. R. de A.	
Afiliação: 	JOAQUIM A. NÓBREGA, UFSCAR; LILIAN C. TREVIZAN, UFSCAR; GEORGIA C. L. ARAÚJO, UFSCAR; ANA RITA DE ARAUJO NOGUEIRA, CPPSE.	
Título: 	Focused-microwave-assisted strategies for sample preparation.	
Ano de publicação: 	2002	
Fonte/Imprenta: 	Spectrochimica Acta Part B, v.57, n.12, p.1855-1876, 2002.	
ISSN: 	0584-8547	
DOI: 	https://doi.org/10.1016/S0584-8547(02)00172-6	
Idioma: 	Inglês	
Conteúdo: 	In this work a general discussion is presented about extraction and digestion procedures, assisted by focused-microwave radiation. Applications involving inorganic, organic, and organometallic analytes in different types of samples are presented, taking into account recent literature data. The main advantages of using focused-microwave radiation are highlighted, such as safety, versatility, control of microwave energy released to the sample, and programmed addition of solutions. All these features can be applied properly in sample preparation for speciation analysis. New routes of development are discussed considering partial digestion by acid-vapor and gradual addition of a liquid sample to hot concentrated acids. Some preliminary results using these strategies are presented to demonstrate their potentiality.	
Palavras-Chave: 	Focused microwave; Vapor phase digestion.	
Thesaurus Nal: 	digestion; extraction.	
Categoria do assunto: 	W Química e Física	
URL: 	http://ainfo.cnptia.embrapa.br/digital/bitstream/item/48461/1/PROCIARAN2002.00122.pdf	
Registro original: 	Embrapa Pecuária Sudeste (CPPSE)	
Exemplares: 	CPPSE - (14444-1) - UPC - AP - DD - PROCI-2002.00122 - NOB - 2002.00122 - DIS