Metrohm 757 VA Computrace Manuel d'utilisateur télécharger pdf (Page 64)

3 General settings for exploratory and determination mode

757 VA Computrace – Software

Line properties

Definition of line properties for axes or curve lines.

Style [ different styles ; Solid ]

Style of the line.

Width [ 0...8 ; 0 ]

Width of the line in points (

= hair line).

Color of the line.

1 2 ... 59 60 61 62 63 64 65 66 67 68 69 ... 197 198

757 VA Computrace 1
Table of contents 3
Exploratory mode 5
Determination mode 6
Troubleshooting 9
Software license 10
1 Introduction 11
1.2 General information 12
1.3 Installation 13
Method 2 16
1.5 Overview of file types 20
1.6 Context sensitive menus 20
2 Main window 21
2.3 File menu 24
2.4 Mode menu 26
2.5 Utility menu 27
2.6 User menu 27
2.7 Settings menu 31
2.8 Window menu 35
3 General settings for 37
Voltage step 38
Drop size 38
[ 1...9 ; 4 ] 38
Stirrer/RDE (rpm) 40
[ 0...3000 rpm ; 2000 rpm ] 40
3.2 VA measurement modes 41
SqW - Square wave 43
EXPLORATORY SPECIFICATION 43
WORKING 43
METHOD SPECIFICATIONS 43
DC - Sampled direct current 45
WORKING METHOD SPECIFICATIONS 45
NP - Normal pulse 47
CV - Cyclic voltammetry 49
Potential limit (V) 52
[ -5...+5 V ; -0.1 V ] 52
Maximum time (s) 52
[ > 0 ; 20 s ] 52
3.3 Potentiostat 55
3.5 Graphical settings 59
Width [ 0...8 ; 0 ] 64
4 Exploratory mode 65
4.3 Exploratory curves 70
5 Determination mode 81
Voltammetric 87
WORKING METHOD SPECIFI 87
5.3 Monitor 98
<Next> 99
757 VA Computrace – Software 100
5.4 Determination curves 104
DETERMINATION CURVES 105
TERMINATION CURVES 105
5.5 Results 113
Substances 115
Cell volume 115
Substance 115
5.6 Sample table 118
Determination method 122
Working method 122
Order [ 1...6 ; ] 122
Sample table 122
BASELINE 126
Front end 126
Rear end 126
Peak voltage 127
Peak height 127
Derivative 127
Peak area 127
CALCULATION 130
No. of replications 132
6 Manual control 135
6.2 Dosimat control 137
6.3 Film deposition 138
6.4 Cleaning procedure 140
6 Manual control 142
7 How to ...? 143
7.2 User rights 144
Measure blank 150
No. of blanks 150
Blank purge time 150
<OK> 150
7.5 Determinations 151
7.9 Diagnostic procedures 166
END OF DETERMINA 170
8 Troubleshooting 171
8.3 Software problems 172
8.4 Dosimat problems 172
8.6 Voltammetric problems 177
Deposition time 181
Deposition potential 181
Exponential 187
8 Troubleshooting 190
Index 193

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Metrohm 757 VA Computrace Manuel d'utilisateur Page 64

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