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946 Portable VA Analyzer
Metrohm 946 Portable VA Analyzer Metal Manuals
Manuals and User Guides for Metrohm 946 Portable VA Analyzer Metal. We have
1
Metrohm 946 Portable VA Analyzer Metal manual available for free PDF download: Manual
Metrohm 946 Portable VA Analyzer Manual (81 pages)
Brand:
Metrohm
| Category:
Measuring Instruments
| Size: 2 MB
Table of Contents
Table of Contents
5
1 Introduction
9
Instrument Description
9
Intended Use
9
Safety Instructions
10
General Notes on Safety
10
Electrical Safety
10
Recycling and Disposal
11
Symbols and Conventions
11
2 Overview of the Instrument
13
Potentiostat
13
Figure 1 946 Portable VA Analyzer - Potentiostat Front View
13
Figure 2 946 Portable VA Analyzer - Potentiostat Rear View
13
Measuring Stand Sctrace Gold
14
Figure 3 946 Portable VA Analyzer - Sctrace Gold Measuring Stand Over- View
14
Measuring Stand SPE
15
Figure 4 946 Portable VA Analyzer - SPE Measuring Stand Overview
15
Figure 5 Details SPE Holder
16
3 Overview of the Software
17
Figure 6 Portable VA Analyzer Software - Overview (Default Workplace Lay- Out)
17
4 Installation
22
Unpacking and Inspecting the Instrument
22
Packaging
22
Checks
22
Operation Site
22
Hardware Installation
23
Stirrer
23
Sctrace Gold Electrode
23
Figure 7 Assembly of Stirrer
23
Figure 8 Assembly of Sctrace Gold Electrode
23
Screen-Printed Electrode (SPE)
24
Figure 9 Assembly of Screen-Printed Electrode
24
Assembling the Measuring Stand
26
Figure 10 Assembly of Measuring Stand
26
Connecting the Measuring Stand and the Potentiostat
27
Figure 11 946 Portable VA Analyzer - Potentiostat Connected to Measuring
27
Power Supply
28
Charging the Battery with Power Supply Unit
29
Charging the Battery Via USB Connector (PC)
29
Connecting the Software with the Instrument
30
5 Operation
31
Basic Software Operation
31
Loading and Saving a File
31
Running a Determination
33
Printing of Result and Method
35
Reevaluating a Determination
36
Carrying out the Determination of as(Total) According to Application Bulletin 416
41
General Operation
41
Figure 12 Operation of Measuring Stand
42
Initial Electrode Preparation
43
Running the Determination of as(Total)
44
Cleaning of the Sctrace Gold Electrode
46
6 Maintenance
48
Removing the Sctrace Gold
48
Figure 13 Remove Sctrace Gold Electrode
48
Removing the Screen-Printed Electrode
49
Figure 14 Remove Screen-Printed Electrode
49
Removing the Stirrer
50
Cleaning the Instrument
51
Figure 15 Remove Stirrer
51
7 Troubleshooting
53
General Rules for Voltammetric Trace Analysis
53
Sampling
53
Measuring Solution
53
Quantification
54
Hardware Problems
54
Application Problems
56
Some Voltammetric Troubles in Detail
68
Linear Working Range
68
Potential Range of an Sctrace Gold Electrode
69
Figure 16 Good and Bad Standard Addition Curves
69
Figure 17 Influence of Chloride Concentration on the Background Current of the Sctrace Gold Electrode
70
Figure 18 Influence of Oxygen on the Background Current of the Sctrace Gold Electrode
72
Figure 19 Influence of Ph on the Background Current of the Sctrace Gold Elec
73
Dummy Cell Test
74
Figure 20 946 Portable VA Analyzer - Potentiostat Connected to the Dummy
74
8 Technical Specifications
76
Potentiostat
76
Measuring Stand
77
Stirrer
77
I/O Connector
78
Safety Specifications
78
Ambient Temperature
78
Reference Conditions
78
Connection
79
9 Accessories
80
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