Data/hora: 19/06/2024 05:29:46

Biblioteca(s): 	Embrapa Pecuária Sudeste; Embrapa Solos.	
Data corrente: 	01/04/2014	
Data da última atualização: 	06/01/2015	
Autoria: 	LEME, A. B. P.; BIANCHI, S. R.; CARNEIRO, R. L.; NOGUEIRA, A. R. A.	
Afiliação: 	Ana B. P. Leme; SILMARA ROSSANA BIANCHI, CNPS; Renato L. Carneiro; Ana R. A. Nogueira.	
Título: 	Optimization of sample preparation in the determination of minerals and trace elements in Honey by ICP-MS.	
Ano de publicação: 	2014	
Fonte/Imprenta: 	Food Analytical Methods, v. 7, p. 1009-1015, 2014.	
Idioma: 	Inglês	
Conteúdo: 	Abstract In this paper, analytical procedures are proposed for determination of inorganic constituents in honey samples from different regions of Brazil. Inductively coupled plasma with mass spectrometry detection (ICP-MS) was used to determine the analytes, using two different sample preparation methods: acid mineralization in block digester and microwave-assisted acid digestion. The methods were optimized in order to minimize the final acidity and the residual carbon content after the sample preparation. It was observed that mineralization using microwave radiation with 2 mol L&#8722;1 HNO3 was the most suitable method for determination of minerals and trace elements by ICP-MS. Besides, Se, Mg, Ca, Al, P, Mn, Fe, Cu, Zn, Ba, and Pb were determined in 60 honey samples by ICP-MS. The appropriate instrumental conditions were also evaluated for this determination, as the need of the use of collision?reaction interface and internal standards. The accuracies were evaluated using two certified reference materials, and the recoveries ranged from 82 to 115 %. The results showed no evidence of contamination in the honey samples analyzed.	
Palavras-Chave: 	ICP-MS; Multiple response optimization; Multiple-response optimization; Sample preparationmethods; Sample prepartion methods; Trace element.	
Thesaurus Nal: 	honey; trace elements.	
Categoria do assunto: 	P Recursos Naturais, Ciências Ambientais e da Terra
W Química e Física	
Registro original: 	Embrapa Solos (CNPS)	
Exemplares: 	CNPS - (18110-1) - UPC - AP - DD -  -  - 14.00218 - DIS
CPPSE - (22538-1) - UPC - AP - DD - PROCI-2014.00038 - LEM - 2014.00038 - DIS