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Alternative approaches applied to inductively coupled plasma techniques: multi-flow and two-flow calibration. Repositório Alice
MACHADO, R. C.; PEREIRA FILHO, E. R.; NOGUEIRA, A. R. de A.; DONATI, G. L.; WILLIAMS, C. B.; PINHEIRO, F. C.; ANDRADE, D. F. de; SILVA, A. B. S. da.
Multi-flow calibration (MFC) is based on monitoring the analytical signal from a single calibration standard solution at several different nebulization gas flow rates (Q), which normalizes plasma conditions and minimizes matrix effects. In the present study, MFC was evaluated, for the first time, applied to inductively coupled plasma optical emission spectrometry (ICP OES) and inductively coupled plasma mass spectrometry (ICP-MS) to analyze different and complexmatrix samples. Al, As, Cd, Cr, Cu, Mn, Pb, and Zn were determined by ICP OES, while As, Cd, Co, Cu, Hg, Mo, Mn, Ni, Se, Sb, Pb, and V were determined by ICP-MS. MFC results were compared with those obtained using external standard calibration (EC) for both techniques and in all cases, MFC showed...
Tipo: Artigo de periódico Palavras-chave: Nebulization gas; Calibration strategy; Matrix effects; ICP OES; ICP-MS.
Ano: 2021 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1132812
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Análise exploratória de constituintes inorgânicos em tecido, líquido ruminal e fezes de bovinos da raça nelore (Bos Taurus Indicus). Repositório Alice
MYKAELLI ANDRADE SANTOS.
Tendo em vista a importância dos constituintes inorgânicos para os bovinos e sua relação com a dieta fornecida aos animais, essa dissertação teve como objetivo propor um procedimento para a determinação multielementar dos analitos, Ca, Mg, P, K, S, Na, Cu, Fe, Mn, Zn, Co, Cr, Mo, Se e V, em amostras de líquido ruminal, músculo e fezes de bovinos submetidos a duas diferentes dietas. O experimento desenvolvido com 52 novilhos machos da raça Nelore teve como objetivo avaliar possíveis alterações em função das dietas, nos teores desses analitos nas diferentes amostras avaliadas. Os animais foram confinados e divididos em 2 grupos. O primeiro grupo foi submetido a uma dieta convencional (silagem de milho e farelo de soja) e o segundo a uma dieta com subprodutos...
Tipo: Teses Palavras-chave: Ca; Mg; P; K; S; Na; Cu; Fe; Mn; Zn; Co; Cr; Mo; Se; V; Analitos; Dieta convencional; Dieta com subprodutos; ICP OES; ICP-MS; CRMs; Teste t de Student; Mann Whitney; Modelos de florestas randômicas.
Ano: 2020 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1127539
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Arsenic, cadmium and lead concentrations in Yerba mate commercialized in Southern Brazil by inductively coupled plasma mass spectrometry Ciência Rural
Santos,Lisia Maria Gobbo dos; Vicentini Neto,Santos Alves; Iozzi,Giovanna; Jacob,Silvana do Couto.
ABSTRACT: “Mate” or “Yerba Mate” (Ilex paraguariensis) is a native South American plant, commonly consumed in Argentina, Paraguay, Uruguay and southern Brazil. Recent research has detected the presence of many vitamins and metals in this plant. Theses metals are also part of yerba mate’s mineral composition, due to soil and water contamination by pesticides and fertilizers, coal and oil combustion, vehicle emissions, mining, smelting, refining and the incineration of urban and industrial waste. Regardless of their origin, some inorganic elements, such as arsenic, cadmium and lead, are considered toxic, since they accumulate in all plant tissues and are, thus, introduced into the food chain. In this context, the aim of the present study was to determine and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Arsenic; Cadmium; Lead; ICP-MS; Yerba mate.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017001200751
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Determinação de As e Se em fígado bovino por ICP-MS utilizando ácido fórmico diluído no preparo de amostra. Repositório Alice
SILVA, C. S. da; OLIVEIRA, A. F. de; BATISTA, E. F.; BIANCHI, S. R.; PEREIRA FILHO, E. R.; NOGUEIRA, A. R. de A..
Tipo: Separatas Palavras-chave: FIGADO BOVINO; ICP-MS.
Ano: 2012 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/946139
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Determination of rare earth elements and other trace elements (Y, Mn, Co, Cr) in seawater using Tm addition and Mg(OH)(2) co-precipitation ArchiMer
Freslon, Nicolas; Bayon, Germain; Birot, Dominique; Bollinger, Claire; Barrat, Jean-alix.
This paper reports on a novel procedure for determining trace element abundances (REE and Y, Cr, Mn, Co) in seawater by inductively coupled plasma sector field mass spectrometry (ICP-SFMS). The procedure uses a combination of pre-concentration using co-precipitation onto magnesium hydroxides and addition of thulium spike. The validity of the method was assessed onto 25 ml volumes of certified reference materials (NASS- and CASS-4) and in house seawater standard. Procedural blanks were determined by applying the same procedure to aliquots of seawater previously depleted in trace elements by successive Mg(OH)(2) co-precipitations, yielding estimated contributions to the studied samples better than 1.1% for all elements, with the exception of Cr (<3.3%)...
Tipo: Text Palavras-chave: Trace elements; Rare earth elements (REE); Seawater; Mg(OH)(2) co-precipitation; ICP-MS; Thulium.
Ano: 2011 URL: http://archimer.ifremer.fr/doc/00041/15220/15855.pdf
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Determination of trace metals in electrolytic copper by ICP OES and ICP-MS BABT
Santos,Éder José dos; Herrmann,Amanda Beatriz; Olkuszewski,José Luiz; Saint'Pierre,Tatiana D.; Curtius,Adilson José.
The performance of axial view ICP OES and ICP-MS techniques were compared through the determination of As, Fe, Mn, Pb, Sb and Sn in electrolytic copper. Samples were prepared by two procedures: 1. Total dissolution with 5 % v/v HNO3 and 2. Dissolution with 1.4 % v/v HNO3 plus 2.0 % v/v H2SO4, followed by separation of the Cu by electrodeposition. The methods were applied for the analysis of standard copper solutions, using calibration against aqueous solutions with or without the addition of Cu. The results obtained by the two techniques were similar, but the separation of Cu from the sample matrix proved to be more adequate for practical reasons.
Tipo: Info:eu-repo/semantics/article Palavras-chave: ICP-MS; Axial view ICP OES; Electrolytic copper; Electrodeposition.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132005000600002
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Effects of nitrogen fertilization on heavy metal content of corn grains Phyton
Rui,Yu-kui; Zhang,Fu-suo; Shen,Jian-bo.
Nitrogen fertilization has played a significant role in increasing crop yield, and solving problems of hunger and malnutrition worldwide. However, excessive nitrogen inputs do not significantly increase crop yields but may lead to many serious environmental problems. The effects of nitrogen fertilization rate were studied on heavy metal content of corn grains. Our results show that nitrogen fertilization management is beneficial for reducing production costs, protecting the environment, and improving the quality of farm products.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Heavy metals; Nitrogen fertilization; Corn grain; Food safety; ICP-MS.
Ano: 2009 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1851-56572009000200003
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Effects of nitrogen fertilizer input on the composition of mineral elements in corn grain Agrociencia
Yu-kui,Rui; Shi-ling,Jiang; Fu-suo,Zhang; Jian-bo,Shen.
Excessive and inappropriate application of industrial N fertilizer can result in severe environmental and ecological problems, but whether the input of N fertilizer could affect the composition of mineral elements in corn has not been reported. Effects of input of N fertilizer on the composition of mineral elements (Se, Mo, I, Mn, Fe, Cu, Zn, Ca, Cr, K, Na, and Mg), in corn grain were investigated by ICP-MS (inductive coupling plasma-mass spectrometry). Se, I, Mn, Fe, Zn, Cr, K and Ca were significantly lower in the treatments with N fertilizer compared to a control without N fertilizer. There was a significant negative conrrelation (R) between four mineral elements and N fertilizer input: I, -0.71; Zn, -0.65; Ca, -0.75; K, -0.89. Therefore appropriate...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Corn grain; ICP-MS; Plant nutrition; Trace elements; Urea.
Ano: 2009 URL: http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S1405-31952009000100003
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Evaluation of metals in tomato sauces stored in different types of packaging Ciênc. Tecnol. Aliment.
MUNIZ,Luiza Portugal; SANTOS,Lisia Maria Gobbo dos; COUTO,Katia Laine Magalhães do; JACOB,Silvana do Couto.
Abstract There is a growing concern about health and food safety when it comes to processed food. In the present study, it has been hypothesized that tomato sauces contain high amounts of metals possibly leached from packaging. Concentrations of As, Cd, Pb, Cr, Ni, Sn and Sb were determined by ICP-MS in tomato sauces stored in metallic, plastic, cellulosic and glass packaging. Packaging composition was determined by XRF. This study has also determined Cr and Sn content, by GF AAS, in simulant solutions prepared to be in contact with the four types of packaging. The results showed that there was no significant difference between the concentrations of metals in products stored in different types of packaging (p>0.05), except for Sn and Ni. Canned...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Metal; Packaging; ICP-MS; XRF; GF AAS.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612018000300383
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Method validation for determination of metals in Vitis labrusca L. grapevine leaf extracts by inductively coupled plasma mass spectrometry (ICP-MS) Anais da ABC (AABC)
BOKOWSKI,LIANE V.V.; SOBRINHO,ROBERTO B.; ARMIJO,CRISTIÁN J.V.; DANI,CAROLINE; HENRIQUES,JOÃO A.P.; FUNCHAL,CLÁUDIA.
ABSTRACT Vitis labrusca L. is the main species used for wine and juice production in Brazil. The grapevine leaves can be used both as functional foods and as cheapest sources for the extraction of phenolic compounds. Besides the antioxidant activity, grapevine leaves exhibited significant anti-inflammatory activity. Therefore, the aim of this study was to develop and validate an analytical methodology to determine the metals selenium (96Se), chromium (53Cr), nickel (62Ni), cadmium (111Cd) and lead (206Pb) in 30 samples of grapevine leaf extracts (Vitis labrusca, Bordo cultivar) using inductively coupled plasma mass spectrometry (ICP-MS). To obtain the grapevine leaf extracts the samples were milled, weighed and digested in microwave oven with nitric acid....
Tipo: Info:eu-repo/semantics/article Palavras-chave: ICP-MS; Metals; Method validation; Vitis labrusca L.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652016000602247
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Multi-Element Determination of Trace Elements in Natural Water Reference Materials by ICP-SFMS after Tm Addition and Iron Co-precipitation ArchiMer
Bayon, Germain; Birot, Dominique; Bollinger, Claire; Barrat, Jean Alix.
We report on an improved method for determining trace element abundances in seawater and other natural waters. The analytical procedure involves co-precipitation on iron hydroxides after addition of a Tm spike, and measurement by inductively coupled plasma-sector field mass spectrometry (ICP-SFMS). The validity of the method was assessed through a series of co-precipitation experiments, using ultra-diluted solutions of a certified rock reference material (BIR-1). Results obtained for four natural water reference materials (NASS-5, CASS-4, SLEW-3, SLRS-4) are in agreement with published working values for rare earth elements, yttrium, vanadium and, when available, for hafnium, zirconium, thorium and scandium. A set of proposed values with uncertainties...
Tipo: Text Palavras-chave: Seawater; Reference material; ICP-MS; Trace elements; Rare earth elements; Eau de mer; Materiau de reference; ICP-MS; Elements traces; Terres Rares.
Ano: 2011 URL: http://archimer.ifremer.fr/doc/00031/14189/18000.pdf
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Potencialidades das técnicas com fonte de plasma e da espectrometria de absorção atômica em forno de grafite de alta resolução com fonte contínua para análise de fertilizantes. Repositório Alice
MACHADO, R. C..
A cada ano, o Brasil bate recordes na produtividade agrícola, o que aumenta consideravelmente o uso de fertilizantes nas lavouras para fornecer os nutrientes essenciais. Entretanto, fertilizantes também podem ser fontes de elementos tóxicos provenientes da matéria-prima e dos processos de fabricação, os quais podem ser absorvidos pelas culturas. Nesta tese de doutorado, diferentes estratégias foram adotadas no desenvolvimento de métodos analíticos empregando técnicas com fonte de plasma como espectrometria de emissão óptica com plasma induzido por microondas (MIP OES) e espectrometria de massas com plasma acoplado indutivamente e configuração tandem (ICP-MS/MS) e análise direta de sólidos usando a espectrometria de absorção atômica em forno de grafite com...
Tipo: Teses Palavras-chave: Plasma de nitrogênio; MIP OES; ICP-MS; HR-CS GFAAS; Análise direta de sólidos; Fertilizante; Fertilizers.
Ano: 2018 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1100218
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Trace element contamination in fish impacted by bauxite red mud disposal in the Cassidaigne canyon (NW French Mediterranean) ArchiMer
Bouchoucha, Marc; Chekri, R.; Leufroy, A.; Jitaru, P.; Millour, S.; Marchond, N.; Chafey, C.; Testu, C.; Zinck, J.; Cresson, Pierre; Mirallès, F.; Mahe, A.; Arnich, N.; Sanaa, M.; Bemrah, N.; Guérin, T.
From 1966 to 2015, the Gardanne alumina refinery discharged some 20 million tons of bauxite residue (called red mud) into the Cassidaigne Canyon (northwest French Mediterranean) with impacts on local ecosystem functioning. Although these red muds contained high levels of trace elements (TE), in particular titanium (Ti), vanadium (V), aluminum (Al) and arsenic (As), surprisingly, their impacts on fish contamination levels and the risk related to fish consumption have been little studied until now. Here, 11 trace elements (Al, As, Cd, Cr, Co, Cr, Mn, Ni, Pb, Ti and V) were analyzed in muscle and, when possible, liver, from 1308 fish of 26 species from an impacted zone in the vicinity of the Cassidaigne Canyon and a reference zone, unaffected by red mud...
Tipo: Text Palavras-chave: Trace element; Bioaccumulation; Arsenic speciation; ICP-MS; Fish; Industrial discharge.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00505/61618/65529.pdf
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Trace Element Determinations in Fe-Mn Oxides by High Resolution ICP-MS after Tm Addition ArchiMer
Charles, Claire; Barrat, Jean-alix; Pelleter, Ewan.
In order to propose an optimal analytical procedure specific to ferromanganese (Fe-Mn) oxides, we investigated different modes of data acquisition using inductively coupled plasma mass spectrometry (ICP-MS). The results of trace element and Rare Earth Element (REE) determination in eight Fe-Mn nodules and crusts (FeMn-1, GSMC-1, GSMC-2, GSMC-3, GSPN-2, GSPN-3, NOD-A-1 and NOD-P-1) are presented here. The analytical procedure involves chemical dissolution of the Fe-Mn oxides and addition of a thulium (Tm) spike. The correction of measured values from potential isobaric interferences was investigated using both corrections based on mono-elemental solutions, and data acquisition in the high-resolution mode. The obtained results show that the high-resolution...
Tipo: Text Palavras-chave: ICP-MS; Fe-Mn oxides; Trace elements; Rare earth elements; High-resolution; Tm spike.
Ano: 2021 URL: https://archimer.ifremer.fr/doc/00692/80377/83498.pdf
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