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Agilent Technologies VGA 77 User Manual

Agilent Technologies VGA 77
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Agilent Vapor
Generation
Accessory VGA 77
and VGA 77P
User’s Guide

Table of Contents

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Agilent Technologies VGA 77 Specifications

General IconGeneral
BrandAgilent Technologies
ModelVGA 77
CategoryLaboratory Equipment
LanguageEnglish

Summary

1. Safety Practices and Hazards

General

General safety precautions for operating the instrument and system.

Verifying Safe State

Procedures to ensure the instrument is returned to a safe state.

Hazard Warnings

Overview of hazard warnings contained in the manual.

Electrical Hazards

Details potential electrical dangers and required precautions.

Chemical Hazards

Discusses risks associated with chemicals used in the VGA system.

Warning Messages

Explains symbols and meanings of warning messages.

Information Symbols

Defines various symbols used for information and warnings.

Color Coding

Explains the color coding of instrument indicator lights.

Electromagnetic Compatibility

Information on EMC standards and compliance.

2. Introduction

About the VGA 77 and VGA 77P

Overview of the Vapor Generation Accessory 77 and 77P.

About this Manual

Guidance on how to use the operation manual effectively.

Specifications

Details technical specifications for the VGA 77 system.

Specifications

Environmental

Specifies environmental operating conditions and categories.

Power

Details power requirements, voltage, and frequency.

Gas Supplies

Outlines requirements for inert gas supplies.

Weights and Dimensions

Provides physical dimensions and weight of the unit.

3. Getting Started

Unpacking

Instructions for safely unpacking the instrument and its components.

Installation

Overview of the installation process for the VGA 77.

Installation Checklist

A step-by-step checklist for completing the installation.

Gas Supply Requirements

Details the necessary gas supply specifications and connections.

Power Supply Requirements

Outlines power requirements and safety checks.

Selecting the Voltage

Guide to setting the correct voltage selector for the accessory.

Installing the Pump Unit

Steps for installing the pump unit onto the instrument.

Installing a Reagent Module

Instructions for fitting the reagent module.

Installing the Drain Tubing

How to connect the drain tubing correctly.

Installing the VGA 77 Pump Tubing

Procedure for fitting the pump tubing.

Installing the Burner Clamp

Instructions for installing the burner clamp (AA only).

Installation of Zeeman Adapter for 240Z/280Z AA

Steps for installing the Zeeman adapter for specific AA models.

Installing the Cell

Guide for installing the absorption cell for AA modules.

Connecting the Gas/liquid Separator Outlet

How to connect the gas/liquid separator outlet.

Connecting a Mercury Trap (for AA only)

Instructions for connecting a mercury trap.

Connection to the Autosampler

How to connect the VGA 77 to an autosampler.

4. Operation

Setup

Steps for setting up the VGA 77 for operation.

Operation

Details the process of operating the VGA 77.

Automatic Operation

Instructions for running the system in automatic mode.

Shutting Down

Procedures for safely shutting down the VGA 77 system.

Changing Modules

Steps for changing or replacing modules.

5. Analytical Notes

Background

Discusses background considerations in vapor generation analysis.

Factors Affecting the Formation of Hydrides

Explains factors influencing hydride formation.

Interferences

Lists and explains interferences in VGA analysis.

Contamination

Discusses sources and prevention of contamination.

Memory Effects

Explains memory effects and how to minimize them.

Background Absorption (AA only)

Notes on background absorption in AA analysis.

Laboratory Procedures

General guidelines for laboratory procedures.

Basic Methods

Describes basic analytical methods for elements.

Additional Notes

Supplementary notes and information.

References

Lists relevant references for further reading.

Additional References

Lists additional recommended references.

6. Maintenance and Spare Parts

Cleaning Procedures

Guidelines for cleaning the instrument components.

Absorption Cell

Instructions for cleaning the absorption cell.

Gas/Liquid Separator

Procedures for cleaning the gas/liquid separator.

Tubing

Information and care for various tubing types.

Replacement Procedures

Steps for replacing components like pump tubes and reaction coils.

Fuses

Information on checking and replacing fuses.

Spare Parts

Lists available spare parts and their part numbers.

7. Appendix – AA Performance Log

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