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Thermo Finnigan LCQ

UsedThermo FinniganHPLC systemsNetherlands
Procurable

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Mass Range
50 – 2000 m/z
Scan Power
MS, MS/MS, and upgradeable to MSn for n = 1 to 10
Scan Modes
Full-scan, SIM, SRM, ZoomScan, TurboScan
Ion Polarity
Positive and negative
Ion Sources
Electrospray Ionization (ESI) and Atmospheric Pressure Chemical Ionization (APCI)
Availability
Procurable
Lead time
Confirmed with your quote
All 23 specifications
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Specifications 23

Brands
Thermo Finnigan
New/Used
Used
Dimensions
560 mm × 650 mm × 760 mm
Weight
113 kg
Mass Range
50 – 2000 m/z
Scan Power
MS, MS/MS, and upgradeable to MSn for n = 1 to 10
Scan Modes
Full-scan, SIM, SRM, ZoomScan, TurboScan
Ion Polarity
Positive and negative
Ion Sources
Electrospray Ionization (ESI) and Atmospheric Pressure Chemical Ionization (APCI)
Ionization Modes
Positive and negative ion polarity modes
Sample Flow Rates
1 µL/min to 1 mL/min without splitting
Sheath Gas Flow Rates for ESI
60 units for 3 µL/min sample flow rate, 80 units for 1 mL/min sample flow rate
Sheath Gas Flow Rates for APCI
60 units for 100 µL/min sample flow rate, 80 units for 1 mL/min sample flow rate, 85 units for 2 mL/min sample flow rate
Operating Temperature Range
15 – 27 °C
Operating Humidity Range
40 – 80% relative humidity with no condensation
Power Supply
230 Vac ±10.0%, 50/60 Hz, single phase, with earth ground dedicated to the instrument
Mechanical Pump Power
230 Vac ±10.0%, 50/60 Hz, single phase, with earth ground
Data System Power
120 or 230 Vac single phase, with earth ground
Gas Requirements
High-purity nitrogen for API source, ultra-high-purity helium for mass analyzer
Vacuum System
Differentially pumped with a turbomolecular pump
Communication Protocols
Ethernet, Contact Closure, Start In/Out, Ready In/Out
Availability
Procurable
Lead time
Confirmed with your quote

Product description

Ion trap mass spectrometer with ESI/APCI sources and MSn for advanced LC-MS compound analysis.

Finnigan LCQ is a pioneering ion trap mass spectrometer introduced in the mid-1990s, designed to enhance liquid chromatography-mass spectrometry (LC-MS) analyses. This instrument integrates seamlessly with high-performance liquid chromatography (HPLC) systems, facilitating the identification and quantification of compounds in complex mixtures.

Key features include:

  • Electrospray Ionisation (ESI) and Atmospheric Pressure Chemical Ionisation (APCI) sources: Accommodates a broad range of analytes, enhancing versatility.
  • MSn capabilities: Enables multi-stage mass spectrometry for detailed structural elucidation.
  • User-friendly interface: Simplifies operation and data analysis, increasing laboratory productivity.
  • Compact benchtop design: Optimises laboratory space without compromising performance.

The instrument is widely utilised in:

  • Pharmacology: For drug discovery and metabolism studies.
  • Proteomics: To analyse protein structures and functions.
  • Analytical chemistry: For qualitative and quantitative analysis of chemical compounds.
  • Biomedical research: In the identification of biomarkers and disease mechanisms.

Commonly found in university laboratories, biomedical research centres, and clinical environments, the Finnigan LCQ has been instrumental in advancing mass spectrometry applications. While newer models have succeeded it, the LCQ's legacy continues to influence modern analytical techniques.

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Frequently asked questions

How long does laboratory equipment typically last?

With a service contract, ten to fifteen years is normal for most benchtop instruments. Detectors and pumps are the parts that wear first.

Can I get service for older equipment?

Often, yes. Verified suppliers frequently work with service partners converting the instrument. If applicable, we can list servicing options alongside the offer.

Where can I buy parts?

Ask a scientist through the request button. Parts are often available even when the instrument itself is discontinued.

What is the typical lead time for refurbished equipment?

Two to six weeks, depending on refurbishment scope and whether calibration is included.

Does laboratory equipment ship internationally?

We ship to 38 countries. Crating and customs handling are quoted with the instrument.

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Last updated 3 November 2026