The HP 5972 Mass Selective Detector is a stand-alone, capillary GC detector designed for use with an HP 5890 Gas Chromatograph.

HP 5972 MSD features:

• Machined aluminum vacuum manifold
• Vapor-diffusion, high vacuum pump
• Mechanical foreline pump
• Electron-ionization ion source
• Hyperbolic quadrupole mass filter
• Electron multiplier
• Instrument control electronics
• Power supplies
• GC/MSD interface

The suitable data system includes programs to calibrate ( tune ) the MSD, acquire data, and process data. Real-time control of the MSD is provided by the MSD electronics according to setpoints and instructions from the data system. The data system sends operating parameters to the MSD and receive status information and data from the MSD. Tuning programs adjust voltages in the ion source, calibrate mass assignments, and control the scanning of the analyzer. Data acquisition programs allow you to monitor the total ion current, automatically storing the mass spectra of GC peaks as they elute (scan mode), or to monitor the concentrations of particular ions (selected ion monitoring mode (SIM)). Data analysis programs allow you to integrate chromatograms, generate ion chromatograms, view and manipulate mass spectral data, compare spectra to databases of reference spectra, and generate reports.

The HP 5890 Series II GC provides flexibility in choices among inlets, columns, and detectors through the use of liners and adapters, allowing any standard column to be used without sacrificing performance. Additional flexibility is gained through positions of inlets and detectors relative to each other and through the large internal volume of the oven. There are five inlet options and six detector, as well as a wide variety of flow and pressure control components.

In gas chromatography (GC), a moving gas (the mobile phase) carries the sample across a stationary phase (the solid support found within a GC column). It is estimated that 10-20% of the known compounds can be analyzed by GC. To be suitable for GC analysis, a compound must have sufficient volatility and thermal stability. GC is normally used when the sample can be vaporized below 400-450°C.

The HP 5890 Series II GC Specifications:

• Heated Devices
• Five heated zones standard: Two detectors, Two inlets, one auxiliary
• Methods stored: Two
• Split/Splitless Capillary
• Range to 400°C in 1°C increments
• Back-pressure design permits independent adjustment of split flow rate without affecting column flow
• Septum purge built in at 3 ml/min
• Accepts columns up to 1.2-mm od
• Multimode design includes split and splitless injection
• Splitless purge time variable in 0.01-min elements
• Column Oven
• Operating range: 4 °C above ambient to 450 °C
• Setpoint entry: 1 °C for temperatures, 0.1 °C for program rates
• Programming: Rates 0.1 to 70 °C per min, 650 min maximum run time, Three ramps with initial/final holds

HP 7673B automatic liquid sampler specification:
Injector Drive Features:
* Electronic motor actuation with position feedback and control
* No air actuators or periodic mechanical adjustments required

Sample Management:
* Sample capacity (2-mL vials): 100 samples with tray. Tray samples stored in removable and stackable quadrants.
* Sample sequencing: Random access using the ALS controller software for HP 5890 II GC.
* Priority sampling mode: A priority sample and method can be inserted into the sequence at any time.
* Sample thermal control: Sampler tray positioned away from GC to minimize exposure to heat. Tray quadrants can be cooled or heated using customer-supplied water circulator. Temperature range 5-60 °C.

Sample Injection:
* Syringe sizes: 0.5, 1, 5, 10, 25, 50, and 100 uL
* Injection volume selection: 2%, 10%, 20%, 30%, 40%, or 50% of syringe volume
* Usable syringe rinse solvents: solvent A: 6 mL; solvent B: 6 mL

This HP 5972 MSD comes with HP 5890 II GC, HP ALS Controller, HP 7673B Autosampler, suitable Softeware and roungh pump. HP 5972 MSD communicated with HP 5890 II GC and HP ALS Controller by HPIB cables. HP 5972 MSD has EI source.

This refurbished HP 5972 MSD with HP 5890 II GC, HP 7673B Autosampler, data system and roungh pump is in a great shape. It has been tested at SpectraLab Scientific.

Warranty is included. Multiple are available.