Metrohm 900 Touch Control Manual - Manual (Page 398)

29.9 Measurements (MEAS)
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900 Touch Control
Concentration standard
Concentration of the standard solution used. When Addition = manual
is defined, a numerical value has to be entered here, the selection from
list creates an error message when starting the determination.
Input range 0.00001 - 99999.9
Selection from list
Default value from list
from list
The standard solution selected under Standard addition
▶ Dosing
device is used.
Unit of the standard solution used.
Entry max. 24 characters
Selection mol/L | mmol/L | ppm | % | g/L | mg/L | µg/L
Default value ppm
Number of additions
Number of standard additions. The more addition steps you carry out the
more accurate the evaluation becomes.
Input range 1 - 19
Default value 3
Stop volume
Maximum permissible volume for the volume steps. If the sum of the vol-
ume steps is higher than this volume, an error message is displayed when
starting the determination.
Input range 0.00 - 9999.90 mL
Default value 99.99 mL
Volume aux. solution
Volume of the buffer solution etc. which has to be added to the sample
before the measurement can be started.
Input range 0.00 - 9999.90 mL
Default value 0.00 mL
Stirrer control
The parameters for the stirrer control during the standard addition are
edited under [Stirrer control]. Ensure that a stirrer has been selected in
the Edit command / Stirrer dialog.