Compensation of inorganic acid interferences in ICP-OES and ICP-MS using a Flow Blurring® multinebulizer

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Title: Compensation of inorganic acid interferences in ICP-OES and ICP-MS using a Flow Blurring® multinebulizer
Authors: Aguirre Pastor, Miguel Ángel | Fialhob, Lucimar L. | Nóbrega, Joaquim A. | Hidalgo, Montserrat | Canals, Antonio
Research Group/s: Espectroscopía Atómica-Masas y Química Analítica en Condiciones Extremas
Center, Department or Service: Universidad de Alicante. Departamento de Química Analítica, Nutrición y Bromatología | Universidad de Alicante. Instituto Universitario de Materiales
Keywords: Compensation of inorganic acid matrix effects | ICP-OES | ICP-MS | Flow Blurring® multinebulizer
Knowledge Area: Química Analítica
Issue Date: 26-Mar-2014
Publisher: Royal Society of Chemistry
Citation: Journal of Analytical Atomic Spectrometry. 2014, Accepted Manuscript. doi:10.1039/C4JA00079J
Abstract: A new and easy method has been proposed for compensation of inorganic acid matrix effects in ICP-OES and ICP-MS. The method consists on an on-line standard addition calibration using a Flow Blurring® multinebulizer (FBMN-based system). Experimental conditions of the FBMN-based system are optimized for both ICP-OES and ICP-MS. Under optimized conditions recovery values obtained in the analysis of synthetic acid samples were close to 100% for HNO3 and HCl (with acid concentrations of up to 15% (w w-1)) and H2SO4 (up to 10% (w w-1)) for both plasma-based spectrochemical techniques. The applicability of the proposed method has been evaluated analyzing two whole milk powders, certified reference material and a commercial product, showing excellent recovery values. Compared with other calibration strategies and experimental setups used, the on-line standard addition calibration using the FBMN-based system is faster, easier to handle and significantly reduces reagents and sample consumption.
Sponsor: The authors express their gratitude to the Spanish Ministry of Science and Innovation (projects n. CTQ2008 06730-C02-01 and PHB-2010-0018-PC), to the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior in Brazil (Grant CAPES-DGU 243/11), and the Regional Government of Valencia (Spain) (projects n. ACOMP/2009/144 and ACOMP/2010/047) for financial support. The authors gratefully acknowledge OneNeb® (Division of Ingeniatrics Tecnologías S.L.) for the FBMN prototype provided. M.A.A. thanks the University of Alicante for his PhD fellowship. This work is part of the Ph.D. degree of M.A.A.
ISSN: 0267-9477 (Print) | 1364-5544 (Online)
DOI: 10.1039/C4JA00079J
Language: eng
Type: info:eu-repo/semantics/article
Rights: © Royal Society of Chemistry 2014
Peer Review: si
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Appears in Collections:INV - SP-BG - Artículos de Revistas

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