Metrohm tiamo 2.2 (ProcessLab) - Manual (Page 562)

5.6 Commands ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
546 ￭￭￭￭￭￭￭￭ tiamo 2.2 (ProcessLab)
￭ 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 (meas-
ured value current I).
5.6.3.3.2 MET pH
5.6.3.3.2.1 MET pH - Overview
Dialog window: Method ▶ MET pH ▶ Properties... ▶ MET pH - 'Command name'
Command for Monotonic Equivalence Point Titrations with potentio-
metric pH measurement.
Devices
This command can be executed with the following devices:
Titrando: 808, 809, 835, 836, 857, 888, 904, 905, 906, 907
Titrino: 702, 716, 721, 736, 751, 785, 794, 798, 799
Robotic Titrosampler: 855
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
defining 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.