6 cvs - potentiostat, 3 cpvs, 1 cpvs - overview – Metrohm viva 1.1 (ProLab) User Manual

Page 634: Cpvs, Potentiostat

Advertising
background image

5.5 Method run subwindow

■■■■■■■■■■■■■■■■■■■■■■

622

■■■■■■■■

viva 1.1 (for process analysis)

5.5.2.11.2.6

CVS - Potentiostat

Tab: Method

CVS Properties... Potentiostat

Command name

Name of the command.

Entry

25 characters

Current measuring range

Maximum range

Limitation of the highest current measuring range.

Selection

200 pA | 2 nA | 20 nA | 200 nA | 2

µA | 20 µA |

200

µA | 2 mA | 20 mA | 224 mA

Default value

224 mA

Minimum range

Limitation of the lowest current measuring range.

Selection

200 pA | 2 nA | 20 nA | 200 nA | 2

µA | 20 µA |

200

µA | 2 mA | 20 mA | 224 mA

Default value

20

µA

NOTE

If the Potential step time is < 4 ms, the automatic switching of the
current measuring range will no longer function optimally. If this is the
case, either increase the Potential step time or set the highest and
lowest current measuring ranges to the same value.

5.5.2.11.3

CPVS

5.5.2.11.3.1

CPVS - Overview

Dialog window: Method

CPVS Properties... CPVS - 'Command name'

The CPVS command is a voltammetry command for the electroplating
bath analysis with CPVS (see Cyclic Pulse Voltammetric Stripping). It is
mainly used for the determination of various organic additives in electro-
plating baths. The CPVS command can only be inserted in VA tracks.

Devices
This command can be executed with the following instruments:

Voltammetry: 894

Advertising