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VGA 77
Agilent Technologies VGA 77 User Manual
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Agilent Vapor
Generation
Accessory VGA 77
and VGA 77P
User’s Guide
2
Table of Contents
Default Chapter
3
Table of Contents
3
1 Safety Practices and Hazards
7
General
7
Verifying Safe State
7
Hazard Warnings
8
Electrical Hazards
8
Chemical Hazards
9
Warning Messages
9
Information Symbols
10
Color Coding
11
Electromagnetic Compatibility
11
En55011/Cispr11
11
Ices/Nmb-001
12
2 Introduction
13
About the VGA 77 and VGA 77P
13
About this Manual
14
Specifications
14
Environmental
14
Power
15
Gas Supplies
15
Weights and Dimensions
16
3 Getting Started
17
Unpacking
17
Installation
18
Installation Checklist
19
Gas Supply Requirements
20
Power Supply Requirements
22
Installing the Pump Unit
24
Installing a Reagent Module
24
Installing the Drain Tubing
25
Installing the VGA 77 Pump Tubing
27
Installing the Burner Clamp
29
Installation of Zeeman Adapter for 240Z/280Z AA
33
Installing the Cell
36
Connecting the Gas/Liquid Separator Outlet
38
Connecting a Mercury Trap (for AA Only)
41
Connection to the Autosampler
42
4 Operation
43
Setup
44
General Setup
44
Pump Adjustment
44
AA Setup
47
ICP Setup
49
Operation
51
Automatic Operation
52
Shutting down
53
Changing Modules
54
5 Analytical Notes
55
Background
56
Factors Affecting the Formation of Hydrides
57
Acid Concentration
57
Oxidation State
57
Interferences
58
Contamination
59
Memory Effects
59
Background Absorption (AA Only)
59
Laboratory Procedures
60
General
60
Standards
61
Reductant-Sodium Borohydride
61
Pump Tubing
61
Sources (AA Only)
62
Basic Methods
62
Antimony
62
Arsenic
63
Bismuth
64
Mercury
64
Selenium
66
Tellurium
67
Tin
68
Additional Notes
69
References
69
Additional References
69
6 Maintenance and Spare Parts
71
Cleaning Procedures
71
General
71
Absorption Cell
72
Gas/Liquid Separator
73
Tubing
75
Replacement Procedures
76
Pump Tubes
76
Reaction Coil
76
Uptake Capillary Tubes
77
Fuses
77
Spare Parts
79
7 Appendix - AA Performance Log
81
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Agilent Technologies VGA 77 Specifications
General
Brand
Agilent Technologies
Model
VGA 77
Category
Laboratory Equipment
Language
English
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