Agilent 7890B GC with 5975C MSD ONLY $34,999 or $675.19/mo

What you are buying

Environmental, forensic, and food-safety methods that identify and confirm compounds by mass run on the GC-MS the Agilent 7890B and 5975C deliver together. The 7890B separates the mixture on a capillary column; the sample crosses a heated transfer line into the 5975C; the source ionizes each compound; the quadrupole scans the mass range or watches selected ions for trace quantitation. GenTech rebuilds, plumbs, and tests the GC’s inlets, detectors, and flow path, then cleans and calibrates the MSD, and verifies the complete system end to end.

Every unit moves through the GenTech Certified process. Solution Scientists disassemble and inspect each module, replace all consumables and degraded wear components, then tune and calibrate the instrument and verify performance against OEM and published benchmarks using known reference chemicals. The instrument ships with its verification report. A certified-refurbished system gives you that performance without the capital cost or the lead time of a new purchase.

What Agilent says about this platform

Electronic pneumatic control on the 7890B meters carrier and detector gases to 0.001 psi and 0.05 mL/min, compensating for changes in ambient pressure and temperature. The oven programs from 4 to 450 degrees Celsius across 20 ramps and 21 plateaus. The 5975 MSD attached to it runs a hyperbolic quadrupole mass filter covering a mass range of roughly 1.6 to 1,050 u. A Triple-Axis HED-EM detector improves signal-to-noise over the older off-axis detector designs used on earlier Agilent MSDs. Electron ionization produces reproducible, library-searchable spectra; an optional chemical ionization source preserves the molecular ion for confirmation. Agilent ChemStation software controls acquisition and library searching.

What each component does

Inlet

Vaporizes the sample and delivers it to the head of the column. Split/splitless handles routine concentrations; the multimode and PTV inlets add programmed temperature for trace work and thermally fragile compounds.

Column oven

Programs from 4 to 450°C across 20 ramps and 21 plateaus, with fast ramping to 75°C per minute on a 120 V oven and higher on 240 V.

Transfer line and ion source

Carries the separated compounds into the 5975 at controlled temperature. Electron ionization produces reproducible, library-searchable spectra; optional chemical ionization preserves the molecular ion for confirmation.

Mass analyzer

A hyperbolic quadrupole filters ions by mass. It scans a full spectrum for identification or holds on selected ions for the lowest detection limits in quantitation.

Technical detail

*OEM specifications for brand new instrument.

Labs that run this system

The 7890B is method-compatible across the techniques most regulated and research labs run every day. These are the application areas buyers ask about most.