Atomic absorption spectroscopy
Determination of trace metals in fruit juices selected by ASAE using atomic absorption spectroscopy
... the absorption wavelengths for this element are below 200 nm, which represents an area subject to intense interference from flame radicals that can significantly affect detection ...the atomic ...
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Atomic Absorption Spectrophotometric Determination of Lead in White Rice
... Survey analysis showed that the three highest selling rice varieties during the period when this study was conducted were Sinandomeng, Dinorado and C-4 Dinorado respectively. Lead analysis of rice samples was carried out ...
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Zinc accumulation in phosphate granules of Ucides cordatus hepatopancreas
... Amorphous phosphate granules are present in vertebrate and inverte- brate organisms. The functions attributed to these structures depend on their mineral contents and organic matrix composition. In the present study we ...
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Samuel MARIANO-DA-SILVA1 , Joys Dias de Assis BRAIT2 , Luiz Henrique Poleto ANGELONI2, Fabiana Maria de Siqueira MARIANO-DA-SILVA3 , César Augusto Oliveira LEITE2 , Paula BRAGA2
... by atomic absorption spectroscopy to evaluate the intracellular levels of calcium, copper, iron, magnesium, manganese, nickel, phosphorus, potassium, sulfur and ...
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Evaluation of mineral content and heavy metals of dromedary camel milk in Iran
... The obtained data in different regions revealed that the content of sodium in the camel milk from Riyadh region of Saudi Arabia measured by atomic absorption spectroscopy was 43.10 mg/[r] ...
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Measurement of lead concentration in biological tissues by atomic spectroscopy techniques
... When ETAAS is used for the direct determination of lead in organic samples, such as formaldehyde and urine, some problems must be carefully addressed in the method of analysis. Thus, volatilization of the organic phase ...
157
J. Braz. Chem. Soc. vol.20 número9
... then measured by cold vapor atomic absorption spectrometry (CV AAS). Hg org does not interact with the resin and is mixed with NaBH 4 at the exit of the column producing volatile species of Hg that are then ...
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Atomic Spectroscopy: A Review
... Finley-Jones and Holcombe (223) presented a fundamental study on the selection of internal standards for ICPMS. It was investigated, whether previously selected “good” internal stan- dards for several elements (51 ...
29
Extending differential optical absorption spectroscopy for limb measurements in the UV
... Thus, the SCDs of BrO are retrieved as a linear function of wavelength. Since the fit is now constrained with two fit ar- guments for the BrO SCD, a much better agreement between the retrieved and simulated BrO SCDs is ...
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J. Braz. Chem. Soc. vol.25 número4
... Determination of iron and copper was performed on a Shimadzu AA-670 atomic absorption spectrometer (Kyoto, Japan) under the recommended condition for each metal ion. The instrumental parameters were as ...
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CENTRO DE CIÊNCIAS EXATAS E DE TECNOLOGIA DEPARTAMENTO DE QUÍMICA PROGRAMA DE PÓS-GRADUAÇÃO EM QUÍMICA “Desenvolvimento de métodos analíticos empregando a espectrometria de absorção atômica sequencial rápida com atomização em chama”
... Furnace Atomic Absorption Spectrometry) em 2000 foi uma tentativa bem sucedida para melhorar a sensibilidade da FAAS para 17 elementos (Ag, As, Au, Bi, Cd, Cu, Hg, In, K, Pb, Pd, Rb, Sb, Se, Te, Tl e Zn), ...
84
J. Braz. Chem. Soc. vol.15 número1
... Multi-element atomic absorption researches have aroused interest since the first AAS stage in order to conceive a spectrometer able to determine several elements simultaneously or quasi ...simultaneous ...
8
Determination of phosphorus in steel samples by graphite furnace atomic absorption spectrometry.
... Conclui-se que o ferro, presente no aço, atua como eficiente modificador para o fósforo, tanto em meio de ácido nítrico como no meio de ácidos clorídrico e perclórico, não havendo a nece[r] ...
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Quím. Nova vol.32 número5
... The atomic spectrometry techniques are extensively employed for the quantification of metal ...flame atomic absorption spectrometry (FAAS) presents desirable characteristics, such as good ...
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Surface characteristics analysis of polypropylene treated by dielectric barrier discharge at atmospheric pressure
... Abstract. Polypropylene (PP) samples were treated by Dielectric Barrier Discharge (DBD) in order to modify their surface characteristics. The XPS analysis reveals that the DBD treatment added oxygen atoms to the PP ...
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Desenvolvimento de procedimentos analíticos em fluxo explorando difusão gasosa ou...
... Preconcentration and determination of trace metals by flow injection micelle- mediated extraction using flame atomic absorption spectrometry.. Cloud point extraction for cobalt preconce[r] ...
165
Eclet. Quím. vol.35 número1
... lame atomic absorption spec- trometer equipped with a xenon short-arc lamp XBO 301 [10] with a nominal power of 300 W operating in a hot-spot mode as a continuum ra- diation ...
4
Integration of analytical techniques and undergraduate laboratory in instrumental analysis: use of an atomic absorption spectrometer for molecular absorption measurements.
... AN ATOMIC ABSORPTION SPECTROMETER FOR MOLECULAR ABSORPTION ...molecular absorption of chromate and dichromate ions using an atomic absorption ...molecular absorption of ...
4
Determination of Lead in Human Teeth by Hydride Generation Atomic Absorption Spectrometry
... To the best of our knowledge there are no published data dealing with a matrix modified hydride generation atomic absorption spectrometry determination of microgram amounts of lead in whole human teeth. ...
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Evaluation of heating programs for electrothermal atomic absorption spectrometry using a tungsten coil.
... EVALUATION OF HEATING PROGRAMS FOR ELECTROTHERMAL ATOMIC ABSORPTION SPECTROMETRY USING A TUNGSTEN COIL. A tungsten coil atomizer was used to investigate the effect of heating programs with constant or ...
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