Metrohm viva 1.1 (ProLab) - Manual (Page 725)

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5 Method
viva 1.1 (for process analysis)
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Variable Description
2 R Coefficient of determination.
i
y
y value of calibration point i.
y
Mean value of all y values of the calibra-
tion points.
i
yˆ The y value of calibration point i calcu-
lated with the calibration curve.
5.6.7.5 Volume results
5.6.7.5.1 Total volume
Variable name RS.VTOT
Description Current total volume in the measuring vessel.
Decimal places 0…3…6
Unit #L
Remarks The value of these variables is automatically set to 0 at the start of a
determination. The respective defined addition volume for the RS.VTOT
variable is added with each command ADD AUX (only if the option
Include volume in calculation is activated), ADD STD, ADD SAMPLE
and ADD SAMPLE DT.
With the SET TOTAL VOLUME command, any value can be manually
entered for the total volume in the measuring vessel (e.g. after automatic
rinsing or manual solution exchange).
5.6.7.5.2 Total volume per variation
Variable name RS.’Command name’.VAR{x}.VTOT
Description Current total volume in the measuring vessel for variation{x}.
Decimal places 0…3…6
Unit #L
5.6.7.6 Concentration results
5.6.7.6.1 Substance concentration in the sample
Variable name RS.’Command name’.’Substance name’.CONC
Description Concentration of the substance in the sample.
Decimal places 0…2…6