[PDF] Top 20 Determination of phosphorus in steel samples by graphite furnace atomic absorption spectrometry.
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Determination of phosphorus in steel samples by graphite furnace atomic absorption spectrometry.
... but in the range, which corresponds to the usual concentrations of iron in the sample solutions, the increase is ...small. Phosphorus was determined in three standard reference ... See full document
6
Quím. Nova vol.37 número8
... made by flame atomic absorption spectrometry (FAAS), whereas when the concentration is low, AAS determinations are usually made by graphite furnace atomic ... See full document
4
J. Braz. Chem. Soc. vol.15 número2
... analysis by flame atomic absorption spectrometry was investigated as an alternative technique for the determination of trace elements in ...application of the ... See full document
6
Evaluation of different methods for copper determination in insulating oils by graphite furnace atomic absorption spectrometry.
... Para a determinação de cobre em óleo mineral isolante por in- trodução direta na forma de emulsão, as emulsões foram preparadas do mesmo modo que no procedimento de extração induzida por quebra de emulsão. ... See full document
7
Determination of Lead in Human Teeth by Hydride Generation Atomic Absorption Spectrometry
... the determination of Lead are atomic absorption (Larsen and Ludwigsen, 1997), Emission spectroscopy (Yoakum et ...with Atomic Absorption Spectrometric (HG-AAS) is a well ... See full document
6
J. Braz. Chem. Soc. vol.16 número6A
... analysis by flame atomic absorption spectrometry (DSA-FAAS) with prior solid phase extraction procedure is proposed for the determination of lead in water ...After, ... See full document
7
Solid sampling graphite furnace atomic absorption spectrometry: a review.
... SAMPLING GRAPHITE FURNACE ATOMIC ABSORPTION SPECTROMETRY: A ...review of direct analysis using solid sampling graphite furnace atomic absorption ... See full document
10
Direct determination of chromium in sugar and milk using graphite furnace atomic absorption spectrometry.
... Com o estudo da variação do tempo utilizado na etapa de pirólise (1600 ° C), que foi de 6 a 35 s, foi possível verificar que o aumento da duração da etapa de pirólise não alterou os sina[r] ... See full document
6
Cadmium determination in Lentinus edodes mushroom species
... concentration of toxic elements found in the fruiting body of ...levels of inorganic contaminants, mainly cadmium, mercury, and ...25 of them are cultivated and used as food. In ... See full document
5
REPOSITORIO INSTITUCIONAL DA UFOP: Development of a method to determine Ni and Cd in biodiesel by graphite furnace atomic absorption spectrometry.
... efficient in determining Ni and Cd in bio- diesel samples, since it presented relatively low standard devia- tions and good recovery ...preparation of samples in the form ... See full document
5
Determination of As in environmental organic samples by atomic absorption spectrometry with electrothermal atomization after O2 bomb combustion.
... Resultados da determinação de As para materiais certificados de referência, representando amostras orgânicas de interesse ambiental1. Elementos não-voláteis constituintes da matriz do ma[r] ... See full document
4
J. Braz. Chem. Soc. vol.22 número3
... for determination of copper, iron, lead and zinc in ...preconcentration of metals using a resin modified with 3,4-dihydroxybenzoic acid (XAD-DHB), followed by desorption with an acid ... See full document
6
J. Braz. Chem. Soc. vol.26 número11
... capable of detecting this analyte while at the same time demonstrating rigorous control over possible sources of external ...mass spectrometry (ICP-MS), graphite furnace atomic ... See full document
5
J. Braz. Chem. Soc. vol.17 número3
... to determination of lead in tap water, river water, sea water (taken from Caspian Sea and Persian Golf), apple juice, beet leaf, and urine ...checked by spiking the sample and comparing the ... See full document
7
Direct determination of selenium in coconut water and coconut milk using graphite furnace atomic absorption spectrometry.
... DIRECT DETERMINATION OF SELENIUM IN COCONUT WATER AND COCONUT MILK US- ING GRAPHITE FURNACE ATOMIC ABSORPTION ...sources of selenium, but coconut can be a good ... See full document
3
Alkaline solubilization of fish and multivariate optimization for determination of lead and manganese using graphite furnace atomic absorption spectrometry.
... SOLUBILIZATION OF FISH AND MULTIVARIATE OPTIMIZATION FOR DETERMINATION OF LEAD AND MANGANESE USING GRAPHITE FURNACE ATOMIC ABSORPTION ...development of methods for ... See full document
6
Direct determination of calcium in milk by atomic absorption spectrometry using flow-injection analysis
... milk samples purchased at local markets in Araraquara city (São Paulo, Brazil) and two standard reference materials (SRM 8435 Whole Milk Powder; SRM 1549 Non Fat Milk Powder) from National Institute ... See full document
6
Determination of arsenic in chicken and chicken production-related samples using graphite furnace atomic absorption spectrometry.
... Arsênio pode ser encontrado em diversas formas químicas na natureza, incluindo espécies orgânicas e inorgânicas, como resultado de sua participação em processos biológicos, químicos e aplicações in- dustriais. O ... See full document
4
Determination of vanadium in urine by electrothermal atomic absorption spectrometry using hot injection and preconcentration into the graphite tube
... Direct determination of vanadium by ETAAS using BaF 2 and Triton X-100 as matrix modifiers with precon- centration of the sample directly into the graphite tube is a suitable method for ... See full document
6
J. Braz. Chem. Soc. vol.27 número1
... for determination of iron and zinc in human serum and hair samples by graphite furnace atomic absorption spectrometry (GF AAS) were ...immediate ... See full document
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