3 cpvs - pretreatment, Pretreatment – Metrohm viva 1.1 User Manual

Page 646

Advertising
background image

5.5 Method run subwindow

■■■■■■■■■■■■■■■■■■■■■■

634

■■■■■■■■

viva 1.1

Auxiliary electrode
Standard electrode of the Auxiliary electrode type, which cannot be
deleted.
'Electrode name'
Electrode of the Auxiliary electrode type from the electrode table.

Electrode test

The electrode test for the reference and auxiliary electrodes can be acti-
vated and deactivated only in the START command (see "Electrode test
for VA measuring commands", page 579)
.

Stirrer

Stirring rate

Number of revolutions per minute of the stirrer.

Input range

0 - 3,000 min

⁻¹ (Increment: 100)

Default value

2,500 min

⁻¹

Hydrodynamic measurement

on | off (Default value: on)

If this check box is activated, then stirring will continue during the sweep.

Only editable for Sensor type = RDE, otherwise disabled.

5.5.2.11.3.3

CPVS - Pretreatment

Tab: Method

CPVS Properties... Pretreatment

Command name

Name of the command.

Entry

25 characters

The parameters for the pretreatment can be set on this tab.

Stirring time

Waiting time during which the solution is stirred in the measuring cell.

Input range

0.0 - 9,999.9 s (Increment: 0.1)

Default value

5.0 s

Potential 1

Potential that is applied to the electrodes during the Waiting time 1.
This potential can be used e.g. as cleaning potential for the electrochemi-
cal cleaning of solid-state electrode surfaces that have been contaminated
with reaction products of electrode redox processes.

Input range

–5.000 - 5.000 V (Increment: 0.001)

Advertising