Flame atomic absorption spectrometry
A liquid-liquid microextraction system for pb and cd enrichment and determination by flame atomic absorption spectrometry.
... A LIQUID-LIQUID MICROEXTRACTION SYSTEM FOR Pb AND Cd ENRICHMENT AND DETERMINATION BY FLAME ATOMIC ABSORPTION SPECTROMETRY. A method for determination of lead and cadmium in aqueous samples ...
5
Evaluation of mineral composition of tea from senescent leaf of Montrichardia linifera (arruda) schott (araceae) by flame atomic absorption spectrometry (FAAS).
... EVALUATION OF MINERAL COMPOSITION OF TEA FROM SENESCENT LEAF OF Montrichardia linifera (Arruda) Schott (Araceae) BY FLAME ATOMIC ABSORPTION SPECTROMETRY (FAAS). Levels of Ca, Mg, Fe, Zn, Cu ...
5
Combined discrete nebulization and microextraction process for molybdenum determination by flame atomic absorption spectrometry (FAAS).
... BY FLAME ATOMIC ABSORPTION SPECTROMETRY ...with flame absorption atomic spectrometry (FAAS) and discrete nebulization were ...
6
Determination of copper at wide range concentrations using instrumental features of high-resolution continuum source flame atomic absorption spectrometry
... by atomic absorpti- on spectrometry [2,3] is frequently performed by line source ...line-source flame atomic absorption spectrometry (LS FAAS) [4] is a worldwide, robust and ...
6
Determination of low levels of copper in natural waters by flame atomic absorption spectrometry using a SIA system with a poly(ethylenimine) column.
... BY FLAME ATOMIC ABSORPTION SPECTROMETRY USING A SIA SYSTEM WITH A POLY(ETHYLENIMINE) ...a flame atomic absorption spectrometer (FAAS) to accomplish the determination of ...
4
Flame Atomic Absorption Spectrometry
... Redissolving the precipitate in ammonia and the analyzing the ammoniacal solution for the recovered silver. In both methods the conditions used are the standard conditions applicable to the normal atomic ...
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Microemulsion as Sample Preparation for Direct Flame Atomic Absorption Spectrometry (FAAS) Determination of Total Iron in Crude and Refined Vegetable Oils
... Initially, it was evaluated the use of an external calibration approach by using three different media of calibration (A, B, and C; the composition of these media are shown in Table 1) in order to establish a suitable ...
9
Quím. Nova vol.32 número5
... The atomic spectrometry techniques are extensively employed for the quantification of metal ...techniques, flame atomic absorption spectrometry (FAAS) presents desirable ...
4
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 ...
6
Comparative studies of the sample decomposition of green and roasted coffee for determination of nutrients and data exploratory analysis
... by flame atomic absorption spectrometry (Ca, Mg, Fe, Cu, Mn, and Zn), flame atomic emission photometry (Na and K) and Kjeldahl (N) after preparing the samples by wet digestion ...
10
J. Braz. Chem. Soc. vol.23 número1
... including flame atomic absorption spectrometry (FAAS), graphite furnace atomic absorption spectrometry (GFAAS), inductively coupled plasma optical emission ...
7
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 ...
6
J. Braz. Chem. Soc. vol.15 número2
... by flame atomic absorption spectrometry (FAAS) after its preconcentration onto a column containing silica gel modified with cupferron was ...
5
J. Braz. Chem. Soc. vol.22 número9
... by flame atomic absorption ...background absorption of the extraction and disperser solvent was removed by changing the solvent of sedimented phase from organic to ...
7
J. Braz. Chem. Soc. vol.16 número6A
... by flame atomic absorption spectrometry (DSA-FAAS) with prior solid phase extraction procedure is proposed for the determination of lead in water ...the flame, the generated ...
7
Quím. Nova vol.37 número8
... by flame atomic absorption spectrometry (FAAS), whereas when the concentration is low, AAS determinations are usually made by graphite furnace atomic absorption ...
4
J. Braz. Chem. Soc. vol.27 número11
... In the present work, a novel, simple, and efficient method for the determination of silver in natural water samples was developed. The method is based on the extraction of silver with coacervate made up of decanoic acid ...
6
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. ...
5
Exploring potentialities of the HR-CS FAAS technique in the determination of Ni and Pb in mineral waters
... source flame atomic absorption spectrometry technique (HR-CS FAAS) was evaluated for the fast-sequential determination of nickel and lead in mineral ...waters.Two atomic lines for Ni ...
8
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