| System 8 provides excellent chromatographic
separation of ions. This composite screen shows the ion chromatographic
separation of the anions: chloride, nitrite, bromide and nitrate.
The first window shows the chromatogram of the 4 ions at a concentration
of 20mg/L. The second window shows the same chromatogram zoomed
and expanded. This illustrates the low noise background and hence
the potentially high sensitivity achieved without the use of ion
suppression.
The third window shows repeat separations at different concentrations,
superimposed with an offset. The retention time repeatability is
better than 1 second in 5 minutes i.e. better than 0.3%.
The final window shows a typical calibration table showing the
concentration of the calibration standards, the type of fit used,
linear, quadratic or cubic, etc. The chosen calibration curve is
shown for one of the mixture components; this is used for the quantitation
of unknown samples.
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