Metrohm viva 1.1 - Manual (Page 732)

5.6 Evaluation subwindow
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viva 1.1
5.6.7.7.10 Relative standard deviation of the effective addition volume of the
sample solution for the evaluation ratio
Variable name RS.’Command name’.’Substance name’.VEFFSTD.RSD
Description Relative standard deviation of the effective addition volume of the added
sample solution for the evaluation ratio.
Data type Number
Decimal places 0…1…6
Unit %
Remark Only for Calibration method = DT and Sample type = Sample.
5.6.7.7.11 Calibration factor DT
Variable name RS.’Command name’.’Substance name’.CALFACT
Description The calibration factor corresponds to the concentration of the standard in
the measuring vessel for the evaluation ratio.
Decimal places 0…2…6
Unit #g/L, #L/L, #mol/L
The unit corresponds to the added standard solution.
Remark Only for Calibration method = DT and Sample type = Standard.
Calculation
Variable Description
CALFACT Calibration factor DT.
CONC(STD) Concentration of the standard solution for creating the
calibration curve.
VOL(STD) Uncorrected addition volume of the standard solution
for the evaluation ratio.
VTOT(VMS,
Cal) Total volume in the measuring vessel at the moment of
the measurement of the VMS by calling the measuring
command via the command CALL VMS at the moment
of calibration.