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Met ph – Metrohm tiamo 1.1 Manual User Manual

Page 398

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Method

Commands

Depending on the measured value one of the following four

MET

commands can

be chosen:

MET pH

Potentiometric pH measurement with pH electrodes (measured quan-
tity pH).

MET U

Potentiometric voltage measurement with metal electrodes (measured

quantity voltage U).

MET Ipol

Voltametric measurement with selectable polarization current (meas-
ured 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

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 titra-
tion.

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.