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Optimization of the response of phosphate separated by capillary zone electrophoresis
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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).
|Journal or Publication Title:||Analytical Communications|
|Page Range:||pp. 103-105|
|Identification Number - DOI:||10.1039/AC9963300103|
© 1996 Royal Society of Chemistry
|Date Deposited:||13 Nov 2008 05:26|
|Last Modified:||18 Nov 2014 03:53|
|Item Statistics:||View statistics for this item|
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