Atomic absorption spectrometry
Determination of Lead in Human Teeth by Hydride Generation Atomic Absorption Spectrometry
... are atomic absorption (Larsen and Ludwigsen, 1997), Emission spectroscopy (Yoakum et ...with Atomic Absorption Spectrometric (HG-AAS) is a well developed technique can be used for the ...
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Electrodeposition of iridium in graphite tube as permanent chemical modifier in atomic absorption spectrometry.
... ELECTRODEPOSITION OF IRIDIUM IN GRAPHITE TUBE AS PERMANENT CHEMICAL MODIFIER IN ATOMIC ABSORPTION SPECTROMETRY. A tubular electrochemical flow-cell for iridium deposition on the inner surface of ...
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Flame Atomic Absorption Spectrometry
... Stock solutions for atomic absorption spectrometry (as 1000 µg/mL) are readily available for a wide range of elements from commercial suppliers. Alternatively, standards may be prepared from the ...
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Atomic absorption spectrometry: the way for multielement determinations.
... ATOMIC ABSORPTION SPECTROMETRY: THE WAY FOR MULTIELEMENT ...the spectrometry of atomic absorption (AAS), tracing a line of the historical events in its development and its ...
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Comparison of different sample preparation methods for platinum determination in cultured cells by graphite furnace atomic absorption spectrometry
... types, atomic absorption spectrometry (AAS), high performance liquid chromatography (HPLC) and inductively coupled plasma-mass spectrometry (ICP-MS) are frequently employed in most research ...
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Evaluation of heating programs for electrothermal atomic absorption spectrometry using a tungsten coil.
... ELECTROTHERMAL ATOMIC ABSORPTION SPECTROMETRY USING A TUNGSTEN ...Keywords: atomic absorption spectrometry; tungsten coil; heating ...
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Evaluation of internal standardization in atomic absorption spectrometry using correlation graphs.
... EVALUATION OF INTERNAL STANDARDIZATION IN ATOMIC ABSORPTION SPECTROMETRY USING CORRELATION GRAPHS. The use of an internal standard (IS) in ET AAS can be considered a new trend after the commercial ...
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Solid sampling graphite furnace atomic absorption spectrometry: a review.
... FURNACE ATOMIC ABSORPTION SPECTROMETRY: A ...furnace atomic absorption ...furnace atomic absorption spectrometry in trace element determination in many kinds of ...
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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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Electrothermal atomic absorption spectrometry with tungsten coil: a critical re-view.
... O crescente interesse na utilização da técnica de ETAW-AAS para a determinação de elementos ao nível de traços originou a pre- sente revisão da literatura, na qual diferentes trabalhos s[r] ...
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Solid Sampling in Electrothermal Atomic Absorption Spectrometry Using Commercial Atomizers
... medium by the addition of chemical modifiers and wetting agents, and antifoam agents); (iv) the mixing and homogeni- zation of the slurry (i.e., the use of stabilizing agents[r] ...
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Gas chromatography coupled with atomic absorption spectrometry.
... Baxter e colaboradores 50 realizaram um estudo do desempe- nho do acoplamento da cromatografia gasosa com a absorção atômica. Derivaram expressões para descrever as mudanças na.. sensib[r] ...
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Internal standardization in atomic absorption spectrometry.
... 3. Gerlach, W.; Schweitezer, E.; Foundations and Methods of Chemical Analysis by Emission Spectrometry, Adam Hilger: London, 1929. 4. Takada, T.; Nakano, K.; Anal. Chim. Acta 1979, 107, 129. 5. Takada, T.; Nakano, ...
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J. Braz. Chem. Soc. vol.15 número2
... spectrometers, although the use of flames presents several obvious drawbacks. Nevertheless, some attempts have been made for direct solid sampling by flame atomic absorption spectrometry (DSS-FAAS). ...
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J. Braz. Chem. Soc. vol.22 número3
... A procedure was developed for determination of copper, iron, lead and zinc in gasoline. The procedure was based on the preconcentration of metals using a resin modified with 3,4-dihydroxybenzoic acid (XAD-DHB), followed ...
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Trace Metal Contamination in Estuarine Fishes from Vitória Bay, ES, Brazil
... by atomic absorption spectrometry to determine muscle contamination levels for cadmium, chromium, copper, lead and zinc and evaluate risks to human health associated with seafood ...
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J. Braz. Chem. Soc. vol.18 número7
... A new preconcentration method was proposed using the cloud point approach for copper determination. The reagent 1,5-diphenyl-benzoin (Cupron) was used as a complexing agent and Triton X-114 was added as a surfactant. ...
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J. Braz. Chem. Soc. vol.12 número1
... Total arsenic, arsenite, arsinate and dimethylarsinic acid (DMA) were selectively determined in natural waters by hydride generation – atomic absorption spectrometry, using sodium ...
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Eclet. Quím. vol.33 número2
... flame atomic absorption spectrometry (FAAS) [12] do not have sufficient sensitivity for direct trace determinations of zinc. Thus, for lowering the detection limits of zinc analysis by these tech- ...
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J. Braz. Chem. Soc. vol.14 número2
... for atomic absorption spectrometry (AAS), using a high-intensity xenon short-arc lamp as continuum radiation source, a high-resolution double- echelle monochromator and a CCD array detector, ...
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