Metrohm 757 VA Computrace - Manual (Page 4)

Table of contents
757 VA Computrace – Software
II
2.5 Utility menu ......................................................................................... 17
Computrace control selection...................................................... 17
Dosimat control selection ............................................................ 17
Film deposition selection ............................................................. 17
Cleaning procedure selection...................................................... 17
2.6 User menu ........................................................................................... 17
Login............................................................................................. 17
User rights .................................................................................... 18
User rights overview..................................................................... 20
2.7 Settings menu..................................................................................... 21
General settings ........................................................................... 21
Hardware settings ........................................................................ 22
Automation ................................................................................... 23
Save settings................................................................................ 24
2.8 Window menu ..................................................................................... 25
Tiling of windows.......................................................................... 25
Opening and closing of program windows ................................. 25
Display settings for Main window ................................................ 26
3 General settings for exploratory and
determination mode
..............................................................
27
3.1 Electrodes ........................................................................................... 27
MME ............................................................................................. 27
DME.............................................................................................. 27
SMDE ........................................................................................... 28
HMDE ........................................................................................... 29
RDE/SSE ...................................................................................... 30
3.2 VA measurement modes................................................................... 31
DP – Differential Pulse.................................................................. 31
SqW – Square Wave .................................................................... 33
DC – Sampled Direct Current ...................................................... 35
NP – Normal Pulse (for "Exploratory" only) .................................. 37
CV – Cyclic Voltammetry.............................................................. 39
PSA – Potentiometric Stripping Analysis...................................... 41
AC – Alternating Current Voltammetry ......................................... 43
3.3 Potentiostat......................................................................................... 45
3.4 General operation sequence............................................................ 45
Overview of operation sequence ................................................. 45
Stirring .......................................................................................... 46
Purging ......................................................................................... 47
Conditioning of solid state electrodes ......................................... 47
Pretreatment................................................................................. 47
Stand-by potential ........................................................................ 48