Agilent Technologies 6820 Manuel utilisateur

Agilent Technologies

Agilent 6820 Gas

Chromatograph

Getting Started

制沪00000201号

2Getting Started

Notices

2005

No part of this manual may be reproduced in

any form or by any means (including elec-

tronic storage and retrieval or translation

into a foreign language) without prior agree-

ment and written consent from Agilent

Technologies, Inc. as governed by United

States and international copyright laws.

Manual Part Number

G1176-97010 (Chinese)

G1176-90010 (English)

Edition

Second edition, April 2005

First edition, February 2004

Replaces part number G1176-90002

Printed in China

Agilent Technologies, Inc.

412 Ying Lun Road

Waigaoqiao Free Trade Zone

Shanghai 200131 China

Warranty

The material contained in this docu-

ment is provided “as is,” and is sub-

ject to being changed, without notice,

in future editions. Further, to the max-

imum extent permitted by applicable

law, Agilent disclaims all warranties,

either express or implied, with regard

to this manual and any information

contained herein, including but not

limited to the implied warranties of

merchantability and fitness for a par-

ticular purpose. Agilent shall not be

liable for errors or for incidental or

consequential damages in connec-

tion with the furnishing, use, or per-

formance of this document or of any

information contained herein. Should

Agilent and the user have a separate

written agreement with warranty

terms covering the material in this

document that conflict with these

terms, the warranty terms in the sep-

arate agreement shall control.

Safety Notices

CAUTION

A CAUTION notice denotes a haz-

ard. It calls attention to an operat-

ing procedure, practice, or the like

that, if not correctly performed or

adhered to, could result in damage

to the product or loss of important

data. Do not proceed beyond a

CAUTION notice until the indicated

conditions are fully understood and

met.

WARNING

A WARNING notice denotes a

hazard. It calls attention to an

operating procedure, practice, or

the like that, if not correctly per-

formed or adhered to, could result

in personal injury or death. Do not

proceed beyond a WARNING

notice until the indicated condi-

tions are fully understood and

met.

Acknowledgements

Swagelok® is a registered trademark of the

Swagelok Company.

Microsoft®, Windows XP®, and

Windows® are registered trademarks of the

Microsoft Corporation.

Getting Started 3

Contents

1 The 6820 Gas Chromatograph

Important Safety Warnings 12

Many internal parts of the GC carry dangerous voltages 12

Electrostatic discharge is a threat to GC electronics 12

Many parts are dangerously hot 13

Fibrous insulation 13

Hydrogen 14

Electron capture safety 15

ECD warnings 15

Safety precautions when handling ECDs 16

Safety and Regulatory Certifications 17

Information 17

Symbols 18

Cleaning 19

Recycling the Product 19

2 Site Preparation

Checklist 22

Benchtop Space Requirements 23

Venting toxic or noxious gases 24

Electrical Requirements 25

Grounding 25

Line voltage 25

Operating Environment 27

Gas Purity 28

Carrier Gases 29

Gas Plumbing 30

4Getting Started

Two-Stage Pressure Regulators 31

Traps 32

Valve Actuator Air 33

3 Installing the GC

Gas Plumbing 36

Step 1. Place the GC on the Bench and Open the Oven Door 38

Step 2. Connect Carrier, Detector and Valve Actuator Gases and

Check for External Leaks 39

Install traps in the gas supply tubing 40

Attach tubing to the inlet and detector fittings 41

Check the gas fittings for leaks 41

Attach valve actuator air (optional) 42

Attach ECD vent tubing (if ECDs present) 43

Step 3. Set the Gas Pressures and Purge the System 44

Set source pressures 44

Set internal regulator pressures 45

Purge the gas supply systems 46

4 Preparing for Operation

Step 4. Install the Column Hanger and the Checkout Column 48

Step 5. Prepare the Checkout Column 49

Step 6. Connect the Checkout Column to the Inlet 51

Step 6a. Connect the column to a split/splitless inlet 52

Step 6b. Connect the column to a purged packed inlet 55

Step 7. Connect Power and Turn On the GC 59

Step 8. Condition the Column 61

Getting Started 5

Step 9. Connect the Appropriate Cables 63

Other cables 64

Other communications issues 64

LAN cable 65

RS-232 cable, G1530-60600 67

Agilent analog signal cable, G1530-60570 68

Agilent remote start/stop cable, 03396-61010 69

General purpose analog signal cable, G1530-60560 69

General purpose remote start/stop cable, 35900-60670 70

Agilent integrator signal inputs 71

Step 10. Connect the Checkout Column to the Detector 72

Step 10a. Connect the column to an FID or NPD 72

Step 10b. Connect the column to a TCD 74

Step 10c. Connect the column to an ECD 75

5 Checking Performance

Tools and Consumables 78

Step 11. Set the Checkout Conditions 79

Detector flows 79

Lighting the FID flame 79

Carrier gas flow 80

Entering checkout method setpoints 80

Working with Cerity Chemical 80

Working with an integrator 80

FID checkout conditions 82

TCD checkout conditions 83

ECD checkout conditions 84

NPD checkout conditions 85

Step 12. Analyze the Checkout Sample 86

Prepare the sample 86

Load the syringe 86

Inject the sample 86

6Getting Started

Step 13. Compare Results to the Expected Chromatogram 87

Typical FID checkout chromatograms 88

Typical TCD checkout chromatograms 89

Typical ECD checkout chromatograms 90

Typical NPD checkout chromatogram 91

A Swagelok Connections

Making Swagelok Connections 94

Using a Swagelok Tee 98

B Factory Plumbing

FID 101

FID / FID 102

TCD 103

TCD / TCD 104

ECD 105

ECD / ECD 106

NPD 107

NPD / NPD 108

ECD/ FID 109

ECD/ NPD 111

TCD / FID 112

TCD / ECD 113

TCD / NPD 114

NPD / FID 115

Getting Started 7

Your 6820 User Information Products

Available Learning Products The learning products for the Agilent Technologies 6820 Gas

Chromatograph (GC) consist of four manuals and a poster. Use

the poster as a guide during installation of your new

instrument. The five manuals are provided in a printable format

on the CD-ROM (part number G1176-90005) included with the

GC.

The easiest way to access the manuals on the CD is to insert it

into a computer CD drive, browse to the CD, and run the file

setup.exe. This installation program will put shortcuts in your

computer’s Start menu that will link to the manuals (either

copied to your computer’s hard drive or on the CD-ROM). In

Microsoft® Windows® 2000 and XP®, these shortcuts will be

installed in the following path (by default):

Start/All Programs/Agilent/6820 (XP)

Start/Programs/Agilent/6820 (2000)

Alternately, you can browse the CD-ROM, and open the files

directly.

Site Preparation and

Installation

The documents listed below are designed to quickly and easily

guide you through the process of installing and verifying the

performance of the 6820 GC.

Installation Poster

Start here. This poster provides an overview of the installation

process and summarizes important safety information about

the instrument. For each installation step, find detailed

instructions in the Getting Started manual.

Getting Started (this manual)

Read this during installation and setup. This guide provides

detailed site preparation information and the step-by-step

instructions you will need to:

1Prepare your working space

2Provide the appropriate GC supplies

3Install the GC hardware

8Getting Started

4Install the GC software (if using Cerity Chemical)

5Configure the GC for use

6Verify that the GC is working properly

By following these steps you will also learn some simple but

important operating tasks that you will perform frequently.

Daily Use and Operation Operation

This guide provides all supplemental information and

procedures needed for everyday GC operation. Read the

Operation manual to learn:

• Important GC features

• How to use the controls to run samples

• How the GC provides feedback to you about its performance

• How to program analysis settings

• How to program the 6820 to automate tasks

• How the GC components (inlet, detector, column oven, etc.)

can impact your analysis

• How to configure the GC when changing or modifying

hardware

• How to safely shut down the GC when not in use

• How to work safely when using the electron capture detector

by using highly recommended safety precautions

Getting Started 9

When You Need More

Information

When you are ready to learn more about your instrument or if

the instrument is in need of maintenance, refer to the following

manuals as needed. The information in them is arranged so that

you can learn at your own pace, reading only the information

you need.

Maintenance and Troubleshooting

This manual provides troubleshooting information and

procedures, and also step-by-step maintenance procedures. It

describes:

• What error messages mean and what to do about them

• Chromatographic troubleshooting techniques

• How to replace consumable items, such as inlet liners and

septa

• How to perform simple performance enhancement

procedures, such as detector thermal cleaning

• How to diagnose and resolve certain hardware-related

performance and operating problems

10 Getting Started

In This Guide…

This document is concerned with installing the 6820 Gas

Chromatograph (the GC) in your laboratory, connecting it to

your data recording or processing equipment, and verifying that

it is operating correctly.

1 The 6820 Gas Chromatograph

A general description of the GC appears in this chapter. It

includes general warnings (heat, shock, etc.) that apply to the

entire GC.

2 Site Preparation

This chapter describes the things you must do (or have done)

before installing the GC in your laboratory.

3 Installing the GC

This chapter contains installation procedures for the GC. Most

of the steps apply to all GC systems. Some are optional, such as

plumbing for valve actuator air.

4 Preparing for Operation

Before checking the performance of your GC, perform the

preliminary steps described in this chapter.

5 Checking Performance

To check the performance of your GC, run the sample mixture

for your detectors as described in this chapter.

ASwagelokConnections

The GC and gas tubing use many Swagelok fittings. If you are not

familiar with Swagelok connections, review these procedures.

B Factory Plumbing

The factory standard plumbing designs—how you may expect

the GC to be plumbed when you unpack it—appear here.

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