Metrohm tiamo 1.3 Manual - Manual (Page 409)

Commands 383
• MET pH
Potentiometric pH measurement with pH electrodes (measured quantity
pH).
• MET U
Potentiometric voltage measurement with metal electrodes (measured
quantity voltage U).
• MET Ipol
Voltametric measurement with selectable polarization current (measured
quantity voltage U).
• MET Upol
Amperometric measurement with selectable polarization voltage (measured
quantity current I).
MET pH
Command for Monotonic Equivalence Point Titrations with potentiometric pH
measurement.
Devices
This command can be executed with the following devices which have the MET
mode:
Titrino: 702, 716, 721, 736, 751, 785, 794, 798, 799
Titrando: 808, 809, 835, 836, 855, 857, 888
Appearance
The command has the following appearance:
Parameters
The parameters for the command MET pH are configured in the following 7 tabs:
• General/Hardware
Parameters for devices, dosing devices, sensors and stirrers.
• Start conditions
Parameters for the measurement of the initial measured value and for defin-
ing the conditions which have to be met at the start of the titration.
• Titration parameters
Parameters for the run of the titration.
• Stop conditions
Definitions of conditions which cause the stop of the titration.
•
Potentiometric evaluation
Parameters for the potentiometric evaluation of titration curves.
•
Additional evaluations
Definition of additional methods for evaluation of the titrations curves.
• Additional measured values
Definition of additional measured values of other measuring commands
which are saved as additional column in the list of measuring points.