Buscar
Mostrando ítems 1-10 de 184
Determination of copper in fish feed by graphite furnace atomic absorption spectrometry using slurry sampling
(2008-09-08)
The present work develops and optimizes a method to determine copper in samples of feces and fish feed by graphite furnace atomic absorption spectrometry (GFAAS) through the direct introduction of slurries of the samples ...
Use of the internal standardization for difficult sampling by graphite furnace atomic absorption spectrometry
(2004-10-08)
This work shows the potentiality of As as internal standard to compensate errors from sampling of sparkling drinking water samples in the determination of selenium by graphite furnace atomic absorption spectrometry. The ...
Evaluation of solid sampling for determination of Mo, Ni, Co, and V in soil by high-resolution continuum source graphite furnace atomic absorption spectrometry
(2017-04-01)
New methods are proposed for the determination of Mo, Ni, Co, and V in soils using high-resolution continuum source graphite furnace atomic absorption spectrometry with direct solid sampling. Cobalt and V were simultaneously ...
Simultaneous determination of chromium and nickel in medicinal plants by slurry sampling graphite furnace atomic absorption spectrometry
(2012-01-01)
Slurry sampling graphite furnace atomic absorption spectrometry was employed for the simultaneous determination of Cr and Ni in medicinal plants. A chemical modifi er was not required and the optimum pyrolysis and atomization ...
Evaluation of solid sampling high-resolution continuum source graphite furnace atomic absorption spectrometry for direct determination of chromium in medicinal plants
(Pergamon-Elsevier B.V. Ltd, 2012-12-01)
A method for Cr determination in medicinal plants using direct solid sampling graphite furnace high-resolution continuum source atomic absorption spectrometry was developed. Modifiers were dispensable. Pyrolysis and ...
Arsenic as internal standard to correct for interferences in the determination of antimony by hydride generation in situ trapping graphite furnace atomic absorption spectrometry
(Elsevier B.V., 2005-06-30)
The feasibility of using internal standardization (IS) to correct for interferences in hydride generation with in situ trapping in graphite furnace was evaluated. Arsenic was chosen as internal standard for Sb determination ...
Determination of selenium in nutritionally relevant foods by graphite furnace atomic absorption spectrometry using arsenic as internal standard
(Elsevier B.V., 2005-11-01)
A method has been developed for the direct determination of Se in nutritionally relevant foods by graphite furnace atomic absorption spectrometry. Tungsten/rhodium carbide coating on the integrated platform of a transversely ...
Tungsten permanent chemical modifier with co-injection of Pd(NO3)(2)+Mg(NO3)(2) for direct determination of Pb in vinegar by graphite furnace atomic absorption spectrometry
(Elsevier B.V., 2007-01-01)
A tungsten carbide coating on the integrated platform of a transversely heated graphite atomizer (THGA((R))) used together with Pd(NO3)(2) + Mg(NO3)(2) as modifier is proposed for the direct determination of lead in vinegar ...
Simultaneous determination of chromium and nickel in medicinal plants by slurry sampling graphite furnace atomic absorption spectrometry
(2013)
Slurry sampling graphite furnace atomic absorption spectrometry was employed for the simultaneous determination of Cr and Ni in medicinal plants. A chemical modifi er was not required and the optimum pyrolysis and atomization ...
Determination of tin and lead in sediment slurries by graphite furnace atomic absorption spectrometry
(Springer WienWienAustria, 2009)