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Thermo Scientific ELEMENT GD High resolution glow discharge mass spectrometer

IntroductionThe fast flow source design of the ELEMENT™ GD mass spectrometer speeds up analytical workflows in the production of valuable metals and alloys, providing a new user experience and dramatically improves laboratory efficiency. With sample turn-around times of ~10 min a close production control is made possible even when QC limits are set at the ppb level.

BasicsThe ELEMENT GD fast flow source concept provides• High sensitivity: shorter analysis times

• High sputter rate: less pre-sputter time, less sample preparation

• Simple vacuum requirements speeds up pumping times

• Standard RSF concept for semi-quantitative analysis

The mass spectrometer features• High resolution: interference removal easy

even for complex matrices like Ni alloys

• High scan speed: short scan times, excellent depth resolution

• High mass stability: no need to acquire entire peak; cutting analysis time to ~ half

• Fast switching between resolutions: no drawback using multiple resolutions for analysis

The Thermo Scientific ELEMENT GD has been developed as a combination of a fast flow glow discharge source with a high resolution mass spectrometer.

This technology enables advanced high performance GD-MS analysis combined with the industry accepted data integrity of this technique.

2 Software for a high level of transparancyThe software package is optimized for the needs of the routine analyst, providing ease of use for basic operation as well as flexibility for advanced operation.

The ELEMENT software suite controls and monitors all instrument functions for GD-MS analysis and provides all necessary features for data evaluation. Real time display of mass spectra, time resolved data, calibration curves and comprehensive reports guarantee a high level of transparency and therefore easily traceable results. Full and flexible support for LIMS connectivity ensures convenient, automatic and safe data management.

The ELEMENT software package offers full quantitative analysis using Relative Sensitivity Factors (RSF) obtained from standard materials or semi-quantitative analysis using Ion Beam Ratios (IBR). Since the ELEMENT GD detection system is capable of measuring traces and the matrix within one analysis, the ratio between the analyte and the matrix is used for quantification.

Software features• Windows® 7 operating system

• LIMSconnectivity

• Traceabledatamanagement

• Simplesoftwareforroutinework&fullflexibilityforresearchwork

• Automaticdetectorcrosscalibration

• Automaticmassdriftcorrection

Intuitive method creation

Real time display of calibration curves, spectra and results

Glow Discharge Ion Source software control

3

ELEMENT GD footprint and dimensions in cm

Specifications and installation requirementsThe mass analyzer of the ELEMENT GD is proven in more than 600 Thermo Scientific ELEMENT high resolution ICP-MS installations worldwide.

Ion Source Parts Two basic starter kits: •Highpuritykit(graphitesourceparts,cleaningwithmineralacid) •Mediumpurity(stainlesssteelsourceparts,disposables/mechanicalcleaning)

Ion Source GD power supply: •DCvoltage:adjustable;max.1,400V,workingrangetypical400-1,200V •Current:adjustable;max.200mA,typical30-50mA •PulsedDCoptionwith10to150µspulseduration •Peltiercoolingofthesample Extraction lens: Graphite plug-in extraction lens Interface:Plug-in cone Slide valve: Teflon coated, lubrification possible if necessary Pump: Oil free pump; pump down time to operation < 10 s

Sensitivity > 1 x 1010 cps, (1.6 x 10-9A)forcopper(peakheight,totalioncurrent) inmediumresolution(R≥4000)

Darknoise ≤0.5cps

Dynamic Detection range > 1012 linear with automatic cross calibration

Minimumintegrationtimes Countingmode:0.1ms;Analogmode:1ms,Faradaymode:1ms

Massresolution 3fixedresolutions:≥300;≥4,000;≥10,000

Resolution switching times < 1 s

Massstability 25ppm/8hour

Scanspeed(magnetic) <150msfromm/z7to238to7

Scanspeed(electric) 1ms/jump,independentofmassrange

Power 3-phase,230/400V±10%,50/60Hzfused32Aperphase

Powerconsumption max.8kVA

Temperature 18-24°C(64-75°F)

Humidity 50-60%,non-condensing,non-corrosive

Coolingwater ~200L/h Temperature10-20°C 4-6bar(43-65psi)

Gas Dischargegas:1L/minArgon5.0(orhigher); Purgegas:5L/minArgon4.6

Gaspressure 8-10bar(116-145psi)

Pumpexhaust 1x25mm,1L/min

Electronicexhaust 1x150mm,400m3/h

Electromagneticfields max.acceptablefieldamplitude(AC)foranyfrequencyis5x10-6 T

Threeexhaustcircuits •Backuppumpexhaust:1L/min,warmairfromroughingpump •Pumpexhaustfromscrollpump:onaverage1L/min,duringsamplepump down5Lin10sec

Software platform Microsoft® Windows 7 operating system for instrument control PC

Dischargegasinstallation Steelcapillaryfordischargegas;1/8inchasoutletofinstrument

Purge gas 6 mm tubing supplied

Weight Basicunit723kg

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PS30239_E 08/12G

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