TRACE DSQ GC/MS

Features and Technical Specifications

The TRACE DSQ GC/MS employs next-generation curved optics to eliminateperformance-robbing neutral noise.Elimination of this background allowsthe chemist to employ the full dynamicrange of the TRACE DSQ system –improving detectivity, quantitation andspectral performance. At last, thebenefits of fast chromatography andLarge Volume Injections can berealized in your daily analysis, withoutthe limitation of elevated backgrounds.

Expand the capabilities of the standardTRACE DSQ EI system with powerfuloptions, Chemical Ionization, solidsprobes, and simultaneous Full Scan/SIMfor affordable answers to any analyticalchallenge. The TRACE DSQ combinesthe latest in hardware technology withthe industry-leading Xcalibur instrumentcontrol and data handling platform.

TRACE DSQ is the new benchmark forsingle quadrupole GC/MS systems.

Eliminates the Noise,Eliminates the Barriers

QuadrupoleMass Filter

ElectronMultiplier

±10 kVConversion

Dynode

TRACE DSQ Analyzer

Detection System◆ Post-acceleration ±10 kV conversion

dynode for efficient positive andnegative ion detection

◆ Off-axis, continuous dynode electronmultiplier with extended dynamicrange

◆ Digital electronic noise discrimination◆ Centroid or profile data acquisition ◆ PPINICI option to acquire positive ion

CI and negative ion CI spectra inalternating scans

Inlet/Vacuum Interlock Option ◆ Standard with CI, optional for

EI systems ◆ Allows easy removal of ion volumes

for fast switching from EI to CI, fromGC to probe analysis, and for routinesource maintenance

Vacuum System Options◆ 70 L/s maintenance-free, turbo-

molecular pump for fast vent andpumpdown (0 to 90% speed in 190sec)

◆ 250 L/s turbomolecular pump allowsgreater flexibility in high GC flow ratesand operation in CI mode

◆ 200/200 L/s split flow turbomolecularpump provides differential pumping ofsource and mass filter for high GCflow rates and best performance in CI

◆ Optional ion gauge with internalvacuum protection safety

A next generation, dual-stage mass filter enhances performance foroptimum results.

Benchtop Single Quadrupole Mass Spectrometer

TRACE DSQ™Mass SpectrometerIon Source◆ EI and optional CI or CI/EI sources,

with exchangeable ion volumes,maximizing performance in EI,positive ion CI, and negative ion CI

◆ Electron beam collimating magnetsprovide highest ionization efficiency

◆ Electron energy adjustable between 0and 130 eV and emission current up to850 µA

◆ Unique electron lens improves filamentefficiency and increases lifetime

◆ Independently controlled heating from125°C to 300°C for stable operationand superior chromatographic integrity

◆ GC interface temperature up to 350°C◆ Computer-controlled CI reagent gas

flow control for high quantitativeaccuracy and day-to-day calibrationstability

Dual-Stage Quadrupole Mass Filter◆ RF-only curved quadrupole pre-filter◆ Unit mass resolution throughout the

mass range of 1 - 1050 amu◆ Scan rate of up to 10,000 amu/sec◆ Offers full-scan, segmented scanning,

SIM, and simultaneous modes of massanalysis (Full Scan/SIM and PPINICI)

◆ No tools required for sourcemaintenance

◆ Durable materials guarantee long lifeand simple maintenance

◆ Meets USEPA tune requirements

Thermo Finnigan TRACE DSQ

The innovative analyzer design incorporates acurved pre-filter that fundamentally reducesneutral noise, enhancing ultra-trace levelanalysis.

Ion Source

CurvedPre-Filter

100

1000

10000

100000

1000000

10000000

100000000

1.0E+02 1.0E+03 1.0E+04 1.0E+05 1.0E+06 1.0E+07 1.0E+08

Amount Injected (fg)

Pea

k A

rea

TRACE Gas Chromatograph ◆ Multiple-level temperature program

with seven ramps and eight levelssettable from 0.1˚C to 120˚C/min

◆ Eight independent, heated zones forindividual control of injectors anddetectors plus auxiliary zones

◆ Superior oven cool-down for increasedsample throughput – typically 450˚C to50˚C in under 250 seconds

◆ Capillary split/splitless injectors withDigital Pressure and Flow Control(DPFC) including gas saver

◆ Maximum oven temperature 450˚C

Gas Chromatographic Options◆ Sub-ambient cooling to -99˚C with LN2

or -55˚C with CO2

◆ Programmable Temperature Vaporizer(PTV) for split, cold split, splitless andlarge volume injection

◆ Cold on-column injector for true on-column and large volume injections

◆ Additional GC detector(s)◆ Liquid or headspace autosampler(s) ◆ Purge and Trap and other autosampler

options available

Xcalibur® Data System ◆ Uniform platform for system control

of TRACE DSQ, PolarisQ, TEMPUSGC/MS and autosamplers

◆ Real-time plot of TIC and massspectrum

◆ Auto-tune or manual tune in EI and CI◆ Data processing in manual,

concurrent, or batch reprocessing◆ Merlin Report Writer Wizard for

simple customizable reports to meetall general laboratory reportingrequirements

◆ Qual Browser for quick extracted ionor full scan views

◆ Quan Browser for easy evaluation ofcalibration curves and integration

◆ NIST Library Browser facilitates librarysearching

Features and Technical Specifications

Excellent linearity for octafluoronaphthalene in EI-SIM,100 fg to 10 ng with an RSD of 6%.

Direct Probe Option◆ Quick, simple method for sample introduction

directly into mass spectrometer source◆ Switch to probe in under three minutes with

GC interface undisturbed◆ Powerful screening technique◆ Analysis of highly polar, thermally labile, or

solid compounds◆ Compatible with all modes of ionization and

mass analysis◆ Available in two styles: rapid heating filament

Direct-Exposure Probe (DEP) or slowervolatilization Direct-Insertion Probe (DIP)

All evaluations performed using an Rtx®–5MS, 15 m x 0.25 mm ID (0.25 micronfilm thickness) fused silica capillary column.

Electron IonizationHot splitless injection of 1 µL of a 1 pg/µL standard of octafluoronaphthalene(OFN) in iso-octane will produce the following minimum signal to noise for m/z 272 when scanning from 200-300 amu at 5 scans per second: 25:1 (70 L/s pump); 50:1 (250 L/s pump); 50:1 (200/200 L/s pump).

Positive Chemical IonizationHot splitless injection of 1 µL of a 10 pg/µL standard of benzophenone inn-heptane will produce the following minimum signal to noise for m/z 183 whenscanning from 80-230 amu at 2 scans per second with methane as the reagent gas: 10:1 (250 L/s pump); 10:1 (200/200 L/s pump).

Negative Chemical IonizationHot splitless injection of 1 µL of a 1 pg/µL standard of OFN in iso-octane willproduce the following minimum signal to noise for m/z 272 when scanning from200-300 amu at 5 scans per second with methane as the reagent gas: 500:1 (250 L/s pump); 500:1 (200/200 L/s pump).

Standard Installation Specifications

Wide Dynamic Range

◆ Auto-optimization software forexperiments in either EI or CImode

◆ GLP audit trail and systemsuitability testing

◆ Extended Xcalibur DevelopmentKit allows data processing andinstrument control from yourcustom-written programs

Data System Software Options◆ NIST library◆ Wiley library◆ Pfleger-Maurer-Weber library◆ Thermo Finnigan pesticide

library

System Dimensions/WeightsComplete GC/MS system requires 2 m (6′)of workbench space. Allow 16 cm (6″) ofclearance behind the instrument.Mass Spectrometer:(height x width x depth)44 × 33 × 68 cm (17 × 13 × 27 in)Weight: 45 kg (98 lbs)TRACE GC:44 × 61 × 65 cm (17 × 24 × 25.5 in)Weight: 55 kg (120 lbs)Computer CPU:42 × 16.5 × 44.5 cm (16.5 × 6.5 × 17.5 in)Monitor:42 × 40 × 43 cm (16.5 × 16 × 17 in)Keyboard:2.5 × 47 × 18 cm (1 × 18 × 7 in) Total data system weight approximately 34 kg (75 lbs)

Data System Specifications†

◆ 1.8 GHz Pentium® 4 with 256K Cache◆ 128 MB, 266 MHz DDR SDRAM◆ 32 MB, ATI Radeon VE, 4X AGP Graphics ◆ 20 GB, 7200RPM EIDE hard drive ◆ 3.5" 1.44MB diskette drive◆ 48X max CD-ROM drive◆ 17" high resolution SVGA color monitor◆ Microsoft® Windows® 2000 with

Office XP ◆ Two 10/100 Twisted Pair Ethernet ◆ Two USB, two serial, and one

parallel port

Installation Requirements*Supplies◆ Power: 120 Vac +6%/-10% or 230 Vac

+/- 10%, 50/60 Hz◆ Helium: purity 99.999% with less than

one ppm each of water, oxygen, andtotal hydrocarbons

◆ CI reagent gases: methane, isobutane,ammonia or carbon dioxide with purity99.99%

Environment ◆ Complete system averages 3940 W

(13,450 Btu/h) output when consideringair conditioning needs

◆ Operating environment must be 15-31˚C(59-88˚F) and relative humidity must be40-80% with no condensation. Optimumoperating temperature is 18-26˚C (65-78˚F)

* Detailed installation requirements can be found in the

TRACE DSQ Preinstallation Guide P/N #120156-0001.

For more information on our products and ser vices, please visit our website at: www.thermofinnigan.com

I N T E R N AT I O N A L O F F I C E S

AUSTRALIA Tel. (61) 2 9898 9000, Fax. (61) 2 9898 9800AUSTRIA Tel. (43) 1 333 50340, Fax. (43) 1 333 503426 BELGIUM Tel. (32) 010 450025, Fax. (32) 010 453080CANADA Tel. (905) 712 2258, Fax. (905) 712 4203, Canada only Tel. (800) 721 4260CENTRAL and SOUTH AMERICA Tel. (01) 512 251 1503, Fax. (01) 512 251 1597FRANCE Tel. (33) 1 69 18 88 10, Fax. (33) 1 69 29 93 82GERMANY Tel. (49) 6103 4080, Fax. (49) 6103 408222ITALY Tel. (39) 02 950 591, Fax. (39) 02 953 20370JAPAN Tel. (81) 3 3372 3001, Fax. (81) 3 3372 7051THE NETHERLANDS Tel. (31) 76 541 1800, Fax. (31) 76 542 0088PEOPLE’S REPUBLIC OF CHINA Tel. (86) 10 6621 0839, Fax. (86) 10 6621 0847SPAIN Tel. (34) 91 657 4930, Fax. (34) 91 657 4937SWEDEN Tel. (46) 8 556 468 00, Fax. (46) 8 556 468 08SWITZERLAND Tel. (41) 1 732 31 31, Fax. (41) 1 730 61 41UNITED KINGDOM Tel. (44) 1 442 233555, Fax. (44) 1 442 233667 UNITED STATES Tel. (01) 800 532 4752, Fax. (01) 561 688 8731

Technical information contained in this publication is for reference purposes only and is subject to change without notice. Everyeffort has been made to supply complete and accurate information; however,Thermo Finnigan assumes no responsibility and willnot be liable for any errors, omissions, damage, or loss that might result from any use of the information contained therein (even ifthis information is properly followed and problems still arise).This publication is not part of the Agreement of Sale between Thermo Finnigan and the purchaser of a Thermo Finnigan system.In the event of any conflict between the provisions of this document and those contained in Thermo Finnigan Terms andConditions, the provisions of the Terms and Conditions shall govern.Reference to System Configurations and Specifications supersede all previous information and are subject to change without notice.

† Minimum specifications change frequently, call for latest. Special

upgrade options are available to meet customer requirements.

Xcalibur is a registered trademark of Thermo Finnigan LLC. DSQ and TRACE are trademarks of Thermo FinniganLLC. Microsoft and Windows are registered trademarks of Microsoft Corporation. Intel and Pentium are registered trademarks of Intel Corporation. Rtx is a registered trademark of Restek Corporation.All other trademarks are the property of their respective owners.

©2002 Thermo Finnigan. Printed in USAA/DSQS/02.08

Part No. DS-1105

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