Metrohm IC Net 2.1 Manual do Utilizador descarregar pdf (Página 150)

7 Methods

IC Net 2.1

142

7.4.2 Setup

Tab

Setup

Integration parameters

window with integration pa-

rameters. The two most important of these parameters for peak

recognition are

Width

and

Slope

If the signal-to-noise ratio of the chromatogram is high enough

(e.g. 100:1 or higher), the integration algorithm is not too sensi-

tive to changes in integration parameters. On the contrary, if the

baseline noise is high, careful tuning of these parameters may

be needed.

Number of peaks

Number of peaks detected (read-only).

Channel

Data acquisition channel for peak detection

(read-only)

Delay

Time delay before starting peak detection

(in min).

Entry range:

}}

}1440 min

Width

Peak width (at the baseline, in s).

This parameter is used for setting baseline

start and end points. If this value is too low,

excessive narrow peaks are detected from

the baseline noise. If it is too large, several

adjacent peaks or baseline drift can be in-

tegrated as a single peak. For an optimal

evaluation, it is recommended to enter the

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Metrohm IC Net 2.1 Manual do Utilizador Página 150