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Optimization of the response of phosphate separated by capillary zone electrophoresis

journal contribution
posted on 2023-05-16, 10:19 authored by Harakuwe, AH, Paul HaddadPaul Haddad
The response of phosphate, which is highly variable in capillary zone electrophoresis (CZE) using silica capillaries, was optimized by monitoring the absorption of phosphate onto the capillary surface. A capillary conditioning regime is described which facilitates maximum response for phosphate without significantly extending the total analysis time. The described regime also allowed excellent precision (?0.36%sr, n= 10) to be achieved with regard to absolute migration time for phosphate as well as chloride, bromide, sulfate and hydrogencarbonate. Using this regime, the precisions for the phosphate peak area and height were 9 and 5.5%sr, respectively (n= 10).

History

Publication title

Analytical Communications

Volume

33

Pagination

103-105

ISSN

1359-7337

Department/School

School of Natural Sciences

Publisher

RSC Publishing

Place of publication

United Kingdom

Rights statement

Copyright © 1996 Royal Society of Chemistry

Repository Status

  • Restricted

Socio-economic Objectives

Expanding knowledge in the chemical sciences

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