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Lab Exercise: Commands

Registers, Objects, and Tables

149

Tables

1) You have already integrated the chromatogram with the IntegratObj

command. When each signal is integrated, the integration results are stored in

a table called Intresults. One IntResults table is created for each integrated

signal and the table is stored in the same object as the corresponding signal.

When you quantify the peaks, the integration tables in ChromReg are

identified and quantified. The quantification results are stored in tables found

in the ChromRes register. ChromRes holds the compound and quantification

data for the entire analysis in the first object.

Some of the information you need may be stored in the table header, for instance,

the number of integrated peaks in the chromatogram. Two functions can help you

access information in table headers:

TabhdrVal(RegObj,TabName,ItemName)

gets a single numeric item from the table header and

TabhdrText$(RegObj,TableName,ItemName)

gets a single text item from the table header.

Type:

pks=tabhdrval(ChromReg[1],"intresults",numberofrows)<enter>

Print pks <enter>

The number of rows in the intresults table indicates the number of

integrated chromatographic peaks.

2) To obtain information directly from the table use:

TabText$(RegObj,TabName,RowIndex, ColName)

to get a single text element from a table.

TabVal(RegObj,TabName,RowIndex,ColName)

1 2 ... 152 153 154 155 156 157 158 159 160 161 162 ... 210 211

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Agilent Technologies All Guide de dépannage Page 157