Metrohm viva 1.1 - Manual (Page 682)

5.6 Evaluation subwindow
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viva 1.1
5.6.5.4 LAT/MLAT calibration curve properties
Dialog window: Method ▶ Evaluation - Calibration ▶ Calibration
curves ▶ [Edit] ▶ Properties... ▶ Properties calibration
The calibration curve parameters for the substance selected in the table
can be edited in the Properties calibration dialog window.
Measuring command
Shows the selected measuring command.
Substance
Shows the selected substance.
Evaluation quantity
Selection of the quantity according to which the substance is to be evalu-
ated.
Selection Area | Height
Default value Area
Weighting
on | off (Default value: on)
If this check box is activated, then the points on the calibration curve will
be weighted in accordance with the formula 1/evaluation quantity
².
Curve type
Only the curve type Linear regression is permitted for the calibration
methods LAT and MLAT. At least two calibration points of different con-
centrations are required for determining the line.
Selection Linear regression | Quadratic regression | Non-
linear regression | Linear interpolation
Default value Linear regression
Curve type Calibration function
Linear regression y = CALC 0 + CALC 1 ⋅
x
Navigation bar
Navigation bar for changing the displayed substances with the following
functions:
Jump to the first substance. Altered data is adopted.