Journal of Chromatography A 2004-03-12

On-capillary complexation of metal ions with 4-(2-thiazolylazo)resorcinol in capillary electrophoresis.

Min Wang, Jin-Ming Lin, Feng Qu, Xiaoquan Shan, Zuliang Chen

文献索引：J. Chromatogr. A. 1029(1-2) , 249-54, (2004)

全文：HTML全文

摘要

Co(II), Zn(II), Ni(II) and Fe(I) were successfully separated by capillary electrophoresis using pre-capillary and on-capillary complexation with 4-(2-thiazolylazo)resorcinol. The influences of some crucial parameters, including both pre- and on-capillary complexation procedure, were investigated. For on-capillary complexation, the complexing reaction was carried out inside the capillary by mixing the zones of ligand and sample during the electrophoretic migration. Compared with pre-capillary complexation, the method provided 30-fold reduction in detection limits for Co(II), 50-fold reduction for Zn(II), and 100-fold reduction for Ni(II) and Fe(II). It was used for the analysis of a pharmaceutical and tap water sample.

相关化合物

  • 4-(2-噻唑基偶氮)间...

相关文献：

Sorbent extraction of 4-(2-thiazolylazo) resorcinol (TAR)-metal chelates on Diaion SP-850 adsorption resin in order to preconcentration/separation.

2010-10-15

[J. Hazard. Mater. 182(1-3) , 704-9, (2010)]

Cloud point extraction and spectrophotometric determination of mercury species at trace levels in environmental samples.

2012-01-15

[Talanta 88 , 516-23, (2012)]

An improved assay with 4-(2-thiazolylazo)-resorcinol for non-esterified fatty acids in biological fluids.

1980-05-21

[Clin. Chim. Acta 104(1) , 53-63, (1980)]

Separation of uranium(VI) and transition metal ions with 4-(2-thiazolylazo)resorcinol by capillary electrophoresis.

2001-03-09

[J. Chromatogr. A. 911(1) , 127-33, (2001)]

Solid-phase extraction of some heavy metal ions on a double-walled carbon nanotube disk and determination by flame atomic absorption spectrometry.

2011-01-01

[J. AOAC Int. 94(5) , 1617-24, (2011)]

更多文献...