Metrohm 900 Touch Control Manual - Manual (Page 232)

24.2 Messages
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900 Touch Control
The equivalence point criterion determined (ERC = Equivalence point Rec-
ognition Criterion) is a measure for the size of the jump in the titration
curve. The ERC determined is compared with the EP criterion defined in
the method for the evaluation of the titration curve see "Evaluation and
equivalence point criterion with DET", page 288 and "Evaluation and
equivalence point criterion with MET", page 305). The ERC is thus an
important quantity when you need to adjust the parameters for the evalu-
ation of the equivalence points.
Calibration and titrant data
Results dialog: More data
▶ View data ▶ Calibration data
Results dialog: More data ▶ View data ▶ Titrant data
The calibration data or titrant data which was current at the time the
determination was performed is displayed in the dialogs View data / Cal-
ibration data and View data / Titrant data.
NOTE
Recalculation:
The concentration and titer of the titrant can be modified retroactively.
The values displayed here are used for the recalculation of a loaded
determination. The values saved in the System / Titrants dialog are
not changed as a result.
24.2 Messages
Results dialog: More data ▶ Messages
If messages occurred during a determination, they will be displayed in the
More determination data / Messages dialog. The following data for
the message is indicated under [Details]:
￭ Message number
Unique identification number.
￭ Time
Moment that the message occurred.
￭ Message
Message text.