[PDF] Top 20 Chemical vapor generation in atomic spectrometry.
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Chemical vapor generation in atomic spectrometry.
... de vapor, em espectrometria atômica, a geração de hidretos covalentes pelo tetrahidroborato de sódio é o que se encontra mais estabelecido, fazendo parte da rotina analítica de inúmeros laborató- rios, em ... See full document
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J. Braz. Chem. Soc. vol.18 número4
... usually in low concentrations in environmental samples, are applicable to arsenic ...hydride generation (HG) is a highly efficient sample introduction technique for atomic absorption ... See full document
5
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 ... See full document
4
Analytical Strategies for Determination and Environmental Impact Assessment of Inorganic Antimony Species in Natural Waters Using Hydride Generation Atomic Fluorescence Spectrometry (HG AFS)
... 3300 atomic fluorescence spectrometer (Vancouver, Canada) fitted with an antimony hollow cathode lamp (HCL) of high intensity and with a quartz tube atomizer, was used to measure antimony fluorescence ... See full document
6
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.; ... See full document
4
Determination of Lead in Human Teeth by Hydride Generation Atomic Absorption Spectrometry
... are atomic absorption (Larsen and Ludwigsen, 1997), Emission spectroscopy (Yoakum et ...Hydride Generation combined with Atomic Absorption Spectrometric (HG-AAS) is a well developed technique can be ... See full document
6
J. Braz. Chem. Soc. vol.27 número7
... arsenic in mineral fertilizers by continuous flow hydride generation atomic absorption spectrometry (CF-HG-AAS) was developed by using diluted acid and digester block with perfluoroalkoxy ... See full document
6
Multivariate optimization of a method for antimony determination by hydride generation atomic fluorescence spectrometry in hair samples of patients undergoing chemotherapy against Leishmaniasis
... antimony in several ...hydride generation coupled to: atomic absorption spectrometry (HG AAS) (Krachler et ...emission spectrometry (HG ICP OES) (Mihaltan et al. 2013) and atomic ... See full document
12
Evaluation of internal standardization in atomic absorption spectrometry using correlation graphs.
... Os perfis dos sinais obtidos simultaneamente para Cd, Pb e Ag mostraram que houve uma semelhança temporal na formação dos picos de absorbância quando NH 4 H 2 PO 4 foi utilizado como modificador químico (Figura 3). Nessa ... See full document
5
J. Braz. Chem. Soc. vol.26 número10
... mercury in petroleum green coke and oily sludge samples by cold vapor atomic fluorescence spectrometry, a simple, low cost and robust ...step in its ...the vapor ... See full document
9
J. Braz. Chem. Soc. vol.24 número5
... The generation efficiency of the volatile Au species depends on the modes and the type of ...batch chemical vapor generation system and the continuous-flow system were used for the present ... See full document
9
Atomic spectrometry and the determination of metals in polymeric materials.
... de alta pressão (HPA), para plásticos usualmente utilizados na indús- tria de alimentos. Para o HPA o uso de uma combinação de ácidos sulfúrico e nítrico foi eficiente para dissolver todos os materiais testados (PE, ... See full document
10
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] ... See full document
22
Evaluation of Arsenic and Selenium in Brazilian Soluble Coffee by Inductively Coupled Plasma Atomic Emission Spectrometry with Hydride Generation
... selenium in soluble coffee by inductively coupled plasma atomic emission spectrometry with continuous hydride generation to attend the Brazilian food legislation is ...peroxide in a ... See full document
6
J. Braz. Chem. Soc. vol.12 número1
... determined in natural waters by hydride generation – atomic absorption spectrometry, using sodium tetrahydroborate(III) as reductant but in different reduction ... See full document
5
J. Braz. Chem. Soc. vol.22 número6
... undertaken here by means of a CVG ICP OES (chemical vapor generation and inductively coupled plasma atomic emission spectroscopy, as detection method) hyphenated system. The influence of ... See full document
6
Validation of an analytical method for the determination of total mercury in urine samples using cold vapor atomic absorption spectrometry (CV-AAS): case study.
... A validação analítica comprovou a adequação da metodologia adotada para quantiicar Hg total em amostras de urina por espec- trometria de absorção atômica com vapor frio. Todos os testes foram efetuados de modo a ... See full document
6
Comparison of different sample preparation methods for platinum determination in cultured cells by graphite furnace atomic absorption spectrometry
... applies in the situation that the matrices of samples are close to that of the standard ...detection in cultured cells because of their complicated ...and chemical differences between the matrices of ... See full document
16
J. Braz. Chem. Soc. vol.22 número3
... components in the eluate were then determined by fast sequence lame atomic absorption spectrometry ...The chemical and physical variables inluencing the extraction were ... See full document
6
Determination of phosphorus in steel samples by graphite furnace atomic absorption spectrometry.
... tais sobre o sinal de fósforo, incluindo paládio e ferro em tubos de diferentes materiais: grafite eletrolítico, grafite eletrolítico recoberto com uma camada de grafite pirolítico com plataforma pirolítica e grafite ... See full document
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