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Potencialidades e aplicações do ligante dietilditiofosfato de amônio em análises químicas
(Editora Unesp, 2001-01-01)
Este trabalho descreve uma revisão a respeito do uso do ligante dietilditiofosfato de amônio em química analítica e suas potencialidades no campo da análise química espectrofotométrica (UV/VIS) e espectrométrica (AAS, ...
Spectrophotometric detection of arsenic using flow-injection hydride generation following sorbent extraction preconcentration
(Elsevier B.V., 1999-12-06)
An automated system with a C-18 bonded silica gel packed minicolumn is proposed for spectrophotometric detection of arsenic using flow-injection hydride generation following sorbent extraction preconcentration. Complexes ...
Potencialidades e aplicações do ligante dietilditiofosfato de amônio em análises químicas
(Editora Unesp, 2001-01-01)
Este trabalho descreve uma revisão a respeito do uso do ligante dietilditiofosfato de amônio em química analítica e suas potencialidades no campo da análise química espectrofotométrica (UV/VIS) e espectrométrica (AAS, ...
Single drop micro-extraction with O,O-diethyl dithiophosphate for the determination of lead by electrothermal atomic absorption spectrometry
(2008)
Lead was extracted as the O,O-diethyldithiophosphate (DDTP) complex from aqueous solution into a drop of CHCl3 immersed in the solution.Unlike previously reported procedures using single drop micro-extraction (SDME) for ...
Spectrophotometric detection of arsenic using flow-injection hydride generation following sorbent extraction preconcentration
(Elsevier B.V., 1999-12-06)
An automated system with a C-18 bonded silica gel packed minicolumn is proposed for spectrophotometric detection of arsenic using flow-injection hydride generation following sorbent extraction preconcentration. Complexes ...
Determination of mercury in biological samples by cold vapor atomic absorption spectrometry following cloud point extraction with salt-induced phase separation
(2007)
Method development for the pre-concentration of mercury in human hair, dogfish liver and dogfish muscle samples using cloud-point extraction and cold vapor atomic absorption spectrometry is demonstrated. Before the extraction, ...