Metrohm 797 VA Computrace Manuel d'utilisateur télécharger pdf (Page 178)

6 Electroplating Bath VA

797 VA Computrace – Software

166

Start potential (V) [ -5...+5 V ; 0.2 V ]

Start voltage for the cyclic conditioning sweep.

End potential (V) [ -5...+5 V ; 1.625 V ]

Final voltage for the cyclic conditioning sweep.

No. of cycles [ 0...X ; 0 ]

Number of conditioning cycles.

Pretreatment (see Pretreatment with CVS and CPVS, section 6.3)

Cleaning potential (V) [ -5...+5 V ; 1.625 V ]

Voltage applied to the electrodes during the

Cleaning time.

Cleaning time (s) [ 0...80600 s ; 0 s ]

Time during which the Cleaning potential is ap-

plied to the electrodes.

Equilibration potential (V) [ -5...+5 V ; 1.625 V ] (This pa-

rameter is with CPVS part of the sweep)

Voltage applied to the electrodes during the

Equilibration time.

Equilibration time (s) [ 0...80600 s ; 5 s ] (This parameter is

with CPVS part of the sweep)

Waiting time before starting the sweep; with

Equilibration potential applied to the electrodes. If

the checkbox Hydrodynamic (measurement) is not

checked, the stirrer is switched off during that

time.

Sweep

The sweep parameters depend on the mode (see

CVS - Cyclic Voltammetric Stripping section 3.2,

and CPVS - Cyclic Pulse Voltammetric Stripping

section 3.2)

Substances tab with Calibration

technique “MLAT”

The

Substances tab of the EDIT WORKING METHOD PARAMETERS

window contains parameters for the definition and recognition of

substances, for the definition of standard solutions, for peak eva-

luation and results calculation. The parameters displayed depend

on the Calibration technique selected in the WORKING METHOD

SPECIFICATIONS

window. With “MLAT Standard addition for brigh-

teners” following parameters have to be defined:

Substance [ 24 characters ; ]

Substance name. For the assignment of a found

peak to this substance the checkbox on the left

side of the substance name must be checked.

With CVS: Peak pos. +/- (V) [ -5...+5 V ; 0 V ]

Position of the peak voltage for the substance and

tolerance for this verification voltage.

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Metrohm 797 VA Computrace Manuel d'utilisateur Page 178

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