Axis BTA 2100D Manual del operador Pagina 156

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frequency and amplitude is also applied to the endcap electrodes during the
analysis to improve ion injection and unit mass resolution.
The Saturn GC/MS has two techniques for generating sample ions in the ion
trap. Consequently there are two basic scan functions, i.e., the electron
ionization scan function and the chemical ionization scan function. A scan
function is a representation of the timing sequence for ion trap operation. It
shows the variations in time of the rf potential applied between the ring electrode
and the end cap electrodes, as well as any supplementary waveforms applied to
the cap electrodes.
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