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Thermo Scientific TRACE GC Ultra User Manual

Thermo Scientific TRACE GC Ultra
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Thermo Scientific
TRACE GC Ultra
Gas Chromatograph
Maintenance and Troubleshooting
Manual
PN 31709180, Revision March 2011
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Table of Contents

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Thermo Scientific TRACE GC Ultra Specifications

General IconGeneral
TypeGas Chromatograph
Oven Temperature RangeAmbient +4 °C to 450 °C
Temperature Programming Rates0.1 to 120 °C/min
Maximum Heating Rate120 °C/min
Column TypeCapillary
Oven Temperature ProgrammingYes
Cool-down TimeFrom 450°C to 50°C in <4 minutes
Injector OptionsSplit/Splitless, On-Column, Programmable Temperature Vaporizing (PTV)
Injection ModesSplit, Splitless, On-Column
Injection PortsUp to two injectors
Detector OptionsFID, TCD, ECD, NPD
DetectorsFlame Ionization, Thermal Conductivity, Electron Capture, Nitrogen Phosphorus
Gas Flow ControlElectronic Flow Control (EFC)
Carrier Gas ControlElectronic Flow Control
Data HandlingCompatible with Chromeleon software
Weight50 kg

Summary

About This Manual

Conventions Used in This Manual

Explains typographical conventions, symbols, and key names used throughout the manual.

Instrument Markings and Symbols

Explains various symbols used on Thermo Fisher Scientific instruments.

Using Hydrogen

Details hazards and precautions associated with using hydrogen.

Chapter 1 Preventive Maintenance

Suggested Maintenance Schedule

Provides a recommended schedule for routine preventive maintenance tasks.

Chapter 2 Maintaining a Split/Splitless Injector

Split/Splitless Injector Maintenance

Details user-performed maintenance tasks for the Split/Splitless injector.

When replacing the septum

Explains the procedure and frequency for replacing the injector septum.

When cleaning or replacing the liner

Provides guidance on cleaning or replacing the injector liner and associated symptoms.

If the glass liner breaks inside the injector

Describes steps to take if a glass liner breaks inside the injector.

Chapter 3 Maintaining a Large Volume Splitless Injector

Large Volume Splitless Injector Maintenance

Details user-performed maintenance tasks for the Large Volume Splitless injector.

When replacing the septum

Explains the procedure and frequency for replacing the injector septum.

When cleaning or replacing the liner

Provides guidance on cleaning or replacing the injector liner and associated symptoms.

Chapter 4 Maintaining a Cold On-Column Injector for Standard Automatic Injections

Cold On-Column Injector Maintenance

Details user-performed maintenance tasks for the Cold On-Column injector.

Replace the O-Ring

Explains the procedure for replacing the O-ring in the Automated Operation Cold On-Column Injector.

Possible leaks in the rotary valve

Discusses symptoms and remedies for leaks in the rotary valve.

Chapter 5 Maintaining a Cold On-Column Injector Direct Narrow-Bore

Cold On-Column Injector Maintenance

Details user-performed maintenance tasks for the Cold On-Column injector.

Replace the Rotary Valve Seal

Explains the procedure for replacing the rotary valve seal.

Chapter 6 Maintaining a Cold On-Column Injector

Cold On-Column Injector Maintenance

Details user-performed maintenance tasks for the Cold On-Column injector.

Possible leaks in the rotary valve

Discusses symptoms and remedies for leaks in the rotary valve.

Replace the Rotary Valve Seal

Explains the procedure for replacing the rotary valve seal.

Chapter 7 Maintaining a Packed Column Injector

Packed Column Injector Maintenance

Details user-performed maintenance tasks for the Packed Column injector.

When replacing the septum

Explains the procedure and frequency for replacing the injector septum.

Replacing the Septum

Details the operating sequence for replacing the septum.

Chapter 8 Maintaining a Purged Packed Column Injector

Purged Packed Column Injector Maintenance

Details user-performed maintenance tasks for the Purged Packed Column injector.

When replacing the septum

Explains the procedure and frequency for replacing the injector septum.

When replacing the liner

Provides guidance on cleaning or replacing the injector liner and associated symptoms.

Replace the Septum

Details the operating sequence for replacing the septum.

Chapter 9 Maintaining a PTV Injector

PTV Injector Maintenance

Details user-performed maintenance tasks for the PTV injector.

When replacing the septum

Explains the procedure and frequency for replacing the septum.

When cleaning or replacing the liner

Provides guidance on cleaning or replacing the injector liner and associated symptoms.

If a liner breaks inside the injector

Describes steps to take if a glass liner breaks inside the injector.

Adjusting the quartz wool packing

Provides instructions for adjusting quartz wool packing in PTVLV liners.

Chapter 10 Ensuring Tightness

Keeping Leaks under Control

Provides instructions for managing and controlling leaks in the chromatographic system.

Leak Check

Describes how to perform a leak check procedure.

Performing a Leak Check (Capillary Column)

Details the procedure for checking leaks on the injector side using a capillary column.

Performing a Leaks Check (Capillary/Packed/UFM Columns)

Covers leak checks for both injector and detector sides across various column types.

Chapter 11 Maintaining a FID

FID Maintenance

Details user-performed cleaning or replacement sequences for maintaining the FID.

Clean the Jet

Details the operating sequence for cleaning the FID jet.

Replace the Jet

Explains the procedure for replacing the FID jet.

Clean the Collecting Electrode

Provides instructions for cleaning the FID collecting electrode.

FID Troubleshooting

Change in Sensitivity

Discusses factors affecting FID sensitivity and gas flow rates.

Flame Ignition

Describes the conditions and procedure for igniting the FID flame.

Chapter 12 Maintaining an Electron Capture Detector

ECD Maintenance

Details cleaning procedures for the ECD and handling precautions for the radioactive source.

Wipe Test

Explains the requirement and procedure for performing a Wipe Test on the ECD.

ECD Troubleshooting

Covers common issues, diagnoses, and remedies for ECD problems.

Clean the Collecting Electrode

Provides instructions for cleaning the ECD collecting electrode.

ECD Troubleshooting

Change in Sensitivity

Discusses temperature and gas effects on ECD sensitivity.

Contamination

Describes effects of contamination on ECD performance and potential causes.

Troubleshooting the ECD

Provides a troubleshooting table for common ECD symptoms, diagnoses, and remedies.

Chapter 13 Maintaining a Nitrogen Phosphorus Detector

NPD Maintenance

Details maintenance procedures for the NPD, including thermionic source care.

Thermionic source

Discusses the removal and replacement of the thermionic source.

Clean the Jet

Details the operating sequence for cleaning the NPD jet.

Replace the NPD Thermionic Source

Explains the procedure for replacing the NPD thermionic source.

NPD Troubleshooting

Sensitivity

Discusses factors affecting NPD sensitivity, particularly the thermionic source.

Troubleshooting the NPD

Provides a troubleshooting table for common NPD symptoms, diagnoses, and remedies.

Chapter 14 Maintaining a Flame Photometric Detector

FPD Maintenance

Details cleaning and replacement sequences for maintaining the FPD.

Clean the Jet

Details the operating sequence for cleaning the FPD jet.

Clean the Interferential Filter

Provides instructions for cleaning the FPD interferential filter.

Replace the Heat Shields

Provides instructions for replacing the FPD heat shields.

FPD Troubleshooting

Sensitivity

Discusses factors affecting FPD sensitivity, including temperature and gas choices.

Troubleshooting the FPD

Provides a troubleshooting table for common FPD symptoms, diagnoses, and remedies.

Chapter 15 Maintaining a Photoionization Detector

PID Maintenance

Details maintenance procedures for the PID, focusing on UV lamp and window.

Replace the UV Lamp

Explains the procedure for replacing the PID UV lamp.

Clean the Lamp Window

Provides instructions for cleaning the PID UV lamp window.

Checking for Leaks

Details the procedure for checking for leaks in a PID system.

PID Troubleshooting

Covers common issues, diagnoses, and remedies for PID problems related to sensitivity and contamination.

PID Troubleshooting

Sensitivity

Discusses common causes of low sensitivity and contamination in PID detectors.

Lamp

Addresses issues related to UV lamp function and failure messages.

Contamination

Describes symptoms and remedies for detector cell contamination.

Chapter 16 Maintaining a Thermal Conductivity Detector

TCD Maintenance

Details rules and precautions for maintaining TCD detector lifetime and performance.

TCD Troubleshooting

Covers common issues, diagnoses, and remedies for TCD performance problems.

Sensitivity

Discusses factors affecting TCD sensitivity, including temperature and gas flow.

Baseline drift

Explains causes and indicators of baseline drift in TCD.

Negative peaks

Describes causes of negative peaks in TCD and how to revert polarity.

Chapter 17 Maintaining Detectors in Stack Configuration

Guidelines for Maintenance

Provides general guidelines for maintaining detectors in stack configuration.

Troubleshooting Guidelines

Offers guidance on troubleshooting issues specific to detectors in stack configuration.

Clean or Replace the Collecting Electrode (FID on ECD)

Details procedures for cleaning or replacing the collecting electrode when FID is on ECD.

Clean or Replace the Collecting Electrode (NPD on ECD)

Provides procedures for cleaning or replacing the collecting electrode when NPD is on ECD.

Clean or Replace the Collecting Electrode (FPD on ECD)

Details procedures for cleaning or replacing the collecting electrode when FPD is on ECD.

Replace the Silver Seal (FID on ECD)

Explains the procedure for replacing the silver seal when FID is on ECD.

Replace the Silver Seal (NPD on ECD)

Details the procedure for replacing the silver seal when NPD is on ECD.

Replace the Silver Seal (FPD on ECD)

Provides instructions for replacing the silver seal when FPD is on ECD.

Chapter 18 Regenerating Carrier and Split Lines Filters

To Regenerate Carrier Gas and Split Lines Filters

Provides instructions for regenerating carrier gas and split lines active carbon filters.

Chapter 19 Analytical Troubleshooting

Troubleshooting problems related to Baseline

Provides guidance on diagnosing and resolving baseline-related issues.

Troubleshooting problems related to Peaks

Offers solutions for problems related to peak shape and appearance.

Troubleshooting problems related to Results

Addresses issues related to the reproducibility and sensitivity of analytical results.

Baseline

Drifting

Details causes and remedies for baseline drifting behavior.

Rising

Covers causes and remedies for rising baseline characteristics.

High-standing current

Discusses causes and remedies for high standing current in the baseline.

Irregular shape

Addresses issues related to irregular baseline shapes like S-shaped or square waves.

Noise

Covers causes and remedies for high-frequency noise in the baseline.

Peaks

Broadening

Details causes and remedies for peak broadening in chromatograms.

Clipping

Addresses causes and remedies for clipped peaks (at bottom or at top).

Double peaks

Covers causes and remedies for the appearance of double peaks.

Fronting

Discusses causes and remedies for fronting peaks.

Ghost peaks

Addresses causes and remedies for ghost peaks, including contamination.

Irregular shape

Covers causes and remedies for irregular peak shapes like chair-shaped.

Negative peaks

Discusses causes and remedies for negative peaks.

No peaks

Covers causes and remedies for the absence of peaks, including detector issues.

Tailing

Addresses causes and remedies for peak tailing.

Unresolved peaks

Discusses causes and remedies for unresolved or overlapping peaks.

Results

Low reproducibility of peaks area

Details causes and remedies for low reproducibility in peak area measurements.

Poor sensitivity

Covers causes and remedies for poor sensitivity, especially with increased retention time.

A Customer Communication

How To Contact Us

Provides contact information and web addresses for Thermo Fisher Scientific support.

B Reagents Safety Information

ACETONE

Provides chemical references and safety data for Acetone.

METHANOL

Lists chemical references and safety data for Methanol.

TOLUENE

Provides chemical references and safety data for Toluene.

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