Refurbished Varian 4000 MS (m/n 4000MS) ion trap mass spectrometer. OPTIONAL: Varian CP-3800 GC. Mass range: 10-1000u in 0.1u steps; scan range is time programmable throughout the run; n Mass resolution: unit mass resolution; n Scan rate: 5000-10000 u/sec; n Mass axis stability: ± 0.1u over 72 hr.
Scan Modes: Time programmable: in all modes during the analytical run; n Full scan; n Selected Ion Storage (SIS): stores up to six ranges of ions; n MS/MS: using non-resonant or frequency modulated resonant CID.
Ionization: Electron impact ionization; Positive and negative chemical ionization with gaseous or liquid CI reagents; Internal and external ionization sources.
Mass Specrometry techniques including: MSn, SIS, SRM
Detection: Detector: off-axis design, ± 10 kV HED and electron multiplier n Linear dynamic range: 103 to 104, compound-dependent based upon mode of operation and analytical methods. Please contact us for complete Agilent/Varian 4000MS system, warranty and service contract details.