INQUISAL 20936
INSTITUTO DE QUIMICA DE SAN LUIS "DR. ROBERTO ANTONIO OLSINA"
Unidad Ejecutora - UE
artículos
Título:
On-line preconcentration of zinc on ethyl vinyl acetate prior to its determination
Autor/es:
L.A. ESCUDERO; E.S. CERUTTI; L. D. MARTINEZ; J. A. SALONIA; J. A. GASQUEZ
Revista:
MICROCHEMICAL JOURNAL
Editorial:
ELSEVIER SCIENCE BV
Referencias:
Lugar: Amsterdam; Año: 2011
ISSN:
0026-265X
Resumen:
A separation/preconcentration procedure using solid phase extraction coupled to zinc vapor generation associated
to inductively coupled plasma optical emission spectrometry determination in water samples was
studied. The solid phase material was ethyl vinyl acetate (EVA) contained in a column, where the analyte
ions were retained without using any complexation agent. The variables involving the preconcentration
and the chemical vapor generation (CVG) were optimized using both full factorial and central composite
designs, respectively. Volatile species of zinc were generated by merging the acidified eluent and sodium
tetrahydroborate in a continuous flow system. The gaseous analyte was introduced via a stream of Ar carrier
into the inlet tube of the ICP torch. An enhancement factor of 230-fold for a sample volume of 16 mL was
obtained. The detection limit was 0.06 ìg L−1. The proposed method was successfully applied to the determination
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
into the inlet tube of the ICP torch. An enhancement factor of 230-fold for a sample volume of 16 mL was
obtained. The detection limit was 0.06 ìg L−1. The proposed method was successfully applied to the determination
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
into the inlet tube of the ICP torch. An enhancement factor of 230-fold for a sample volume of 16 mL was
obtained. The detection limit was 0.06 ìg L−1. The proposed method was successfully applied to the determination
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
into the inlet tube of the ICP torch. An enhancement factor of 230-fold for a sample volume of 16 mL was
obtained. The detection limit was 0.06 ìg L−1. The proposed method was successfully applied to the determination
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
tetrahydroborate in a continuous flow system. The gaseous analyte was introduced via a stream of Ar carrier
into the inlet tube of the ICP torch. An enhancement factor of 230-fold for a sample volume of 16 mL was
obtained. The detection limit was 0.06 ìg L−1. The proposed method was successfully applied to the determination
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
into the inlet tube of the ICP torch. An enhancement factor of 230-fold for a sample volume of 16 mL was
obtained. The detection limit was 0.06 ìg L−1. The proposed method was successfully applied to the determination
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
into the inlet tube of the ICP torch. An enhancement factor of 230-fold for a sample volume of 16 mL was
obtained. The detection limit was 0.06 ìg L−1. The proposed method was successfully applied to the determination
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
into the inlet tube of the ICP torch. An enhancement factor of 230-fold for a sample volume of 16 mL was
obtained. The detection limit was 0.06 ìg L−1. The proposed method was successfully applied to the determination
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
tetrahydroborate in a continuous flow system. The gaseous analyte was introduced via a stream of Ar carrier
into the inlet tube of the ICP torch. An enhancement factor of 230-fold for a sample volume of 16 mL was
obtained. The detection limit was 0.06 ìg L−1. The proposed method was successfully applied to the determination
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
into the inlet tube of the ICP torch. An enhancement factor of 230-fold for a sample volume of 16 mL was
obtained. The detection limit was 0.06 ìg L−1. The proposed method was successfully applied to the determination
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
into the inlet tube of the ICP torch. An enhancement factor of 230-fold for a sample volume of 16 mL was
obtained. The detection limit was 0.06 ìg L−1. The proposed method was successfully applied to the determination
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
into the inlet tube of the ICP torch. An enhancement factor of 230-fold for a sample volume of 16 mL was
obtained. The detection limit was 0.06 ìg L−1. The proposed method was successfully applied to the determination
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
tetrahydroborate in a continuous flow system. The gaseous analyte was introduced via a stream of Ar carrier
into the inlet tube of the ICP torch. An enhancement factor of 230-fold for a sample volume of 16 mL was
obtained. The detection limit was 0.06 ìg L−1. The proposed method was successfully applied to the determination
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
into the inlet tube of the ICP torch. An enhancement factor of 230-fold for a sample volume of 16 mL was
obtained. The detection limit was 0.06 ìg L−1. The proposed method was successfully applied to the determination
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
into the inlet tube of the ICP torch. An enhancement factor of 230-fold for a sample volume of 16 mL was
obtained. The detection limit was 0.06 ìg L−1. The proposed method was successfully applied to the determination
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
into the inlet tube of the ICP torch. An enhancement factor of 230-fold for a sample volume of 16 mL was
obtained. The detection limit was 0.06 ìg L−1. The proposed method was successfully applied to the determination
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
fied eluent and sodium
tetrahydroborate in a continuous flow system. The gaseous analyte was introduced via a stream of Ar carrier
into the inlet tube of the ICP torch. An enhancement factor of 230-fold for a sample volume of 16 mL was
obtained. The detection limit was 0.06 ìg L−1. The proposed method was successfully applied to the determination
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
into the inlet tube of the ICP torch. An enhancement factor of 230-fold for a sample volume of 16 mL was
obtained. The detection limit was 0.06 ìg L−1. The proposed method was successfully applied to the determination
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
into the inlet tube of the ICP torch. An enhancement factor of 230-fold for a sample volume of 16 mL was
obtained. The detection limit was 0.06 ìg L−1. The proposed method was successfully applied to the determination
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
into the inlet tube of the ICP torch. An enhancement factor of 230-fold for a sample volume of 16 mL was
obtained. The detection limit was 0.06 ìg L−1. The proposed method was successfully applied to the determination
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
flow system. The gaseous analyte was introduced via a stream of Ar carrier
into the inlet tube of the ICP torch. An enhancement factor of 230-fold for a sample volume of 16 mL was
obtained. The detection limit was 0.06 ìg L−1. The proposed method was successfully applied to the determination
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
of traces of zinc in a Certified Reference Material and tap and river water samples.
ìg L−1. The proposed method was successfully applied to the determination
of traces of zinc in a Certified Reference Material and tap and river water samples.fied Reference Material and tap and river water samples.
