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Instrument Database:
Varian Inc. (Part A) - 1200 and 1200L Triple Quadrupole GC/MS
Year of introduction
Status
historical ( out of sale )
Company
Varian Inc. (Part A)
Categories
Mass spectrometer: GC-MS
Design with Purpose
The Varian 1200 GC/MS system comes standard with a vacuum interlock, allowing easy access to the ion volumes, without breaking vacuum, and use of Direct Insertion Probes (DIP), and Direct Exposure Probes (DEP) without disconnecting the GC.
Three modes of ionization are available on the 1200 GC/MS. Electron Ionization and Chemical Ionization are standard with the instrument, and the Townsend Discharge device can be added as an option.
The 1200L offers all the performance specifications of the 1200, plus a mass range to 1500 u and the ability to switch quickly between the GC interface and optional LC interface. For solid sample introduction, add the Direct Insertion Probe or the Direct Exposure Probe.
Specifications
MS Specifications Scan modes: Q1MS, Q3MS, Precursor (Parent), Product (Daughter), Neutral Loss, Selected Ion Monitoring (SIM), Single Reaction Monitoring (SRM), Multiple Reaction Monitoring (MRM) Ionization modes: Electron Ionization (EI) or positive/negative Chemical Ionization (CI) Source: EI/CI source with vacuum interlock for quick change of ion volumes; entrance hexapole isolates source contaminants from mass filter Source temperature: independent control, 20 °C to 300 °C with 350 °C for bake-out Filament: single, 50 to 950 µA Electron energy: 20 eV, 70 eV or 150 eV Mass filters: quadrupole with preand post-filters; lensless design maximizes transmission efficiency Collision cell: 180° curved path with pre- and post-filter region; long path ensures high dissociation efficiency Mass range: 10 to 800u for the 1200; 10 to 1500u for the 1200L Scan rate: 500, 1250, 3000 or 6000 u/sec Resolution: 0.7u at 1250 u/sec or 0.5u at 500 u/sec EI linear dynamic range: >105 (compound dependent) Mass axis stability: ±0.1u over 24 hours Transfer line temperature: independent control; 20 °C to 350 °C Manifold temperature: independent control; 20 °C to 75 °C Ion detector: positive or negative ions, constant 5 kV post acceleration voltage Carrier gas flow: 8 mL maximum Turbomolecular pump: dual stage, 185/180 L/sec He, air cooled Power Requirements: 100-240 Vac, 50/60 Hz ±3 Hz, 1500 VA Humidity: 20% to 80% relative humidity (without condensation) Temperature: 15 °C to 30 °C Optional MS Features Probes: Direct Insertion (DIP) and Direct Exposure (DEP) Spectral databases: NIST, Wiley, and Pfleger/Maurer/Weber (PMW) libraries Ionization: Townsend discharge MS/MS: upgrade single quad systems at any time LC interface: 1200L only CP-3800 GC Specifications
Column Oven Size: 11 in./28 cm (h) x 11 in./28 cm (w) x 7.5 in./19 cm (d) Temperature range: ambient +4 °C to 450 °C; -99 °C to 450 °C with LN2; -65 °C to 450 °C with LCO2 Temperature-programmed ramps: 7 ramps with 8 isothermal holds Maximum temperature ramp rate: 100 °C/min for all voltages Cool-down rate: 400 °C to 50 °C in 4.5 min Power Requirements 120 Vac ±10%, 60 Hz ±2%, 20 Amps, 2.4 kilowatt 230 Vac ±10%, 50 Hz ±2%, 20 Amps, 2.3 kilowatt 101 Vac ±10%, 50 or 60 Hz ±2%, 25 Amps, 2.5 kilowatt Environmental Requirements Humidity: 5% to 95% relative humidity (without condensation) Temperature: 10 °C to 40 °C operating Injectors CP-1177 Split/Splitless Injector Temperature range: 50 °C to 450 °C isothermal 1079 PTV Injector Temperature range: -99 °C to 450 °C with LN2; -65 °C to 450 °C with LCO2 Maximum temperature ramp rate: 200 °C min Temperature ramps: 4 Injector EFC Pressure range: 0 to 100 psi Total flow: 500 mL/min at 10 psi
Optional GC Features Injectors: up to three (one required);CP-1177 Split/Splitless or 1079 PTV (Programmable Temperature Vaporizing) Detectors: up to three; full range of Varian detectors including the FID, ECD, PFPD, TSD, and TCD; maximum of two PFPDs QuickSwitch Valve: instantly switch between injector/columns, and detectors ChromatoProbe: probe device for solids, large volumes of liquids, or slurries; requires 1079 PTV injector Valves: custom valves for wide range of applications Foreline Pump Dual stage, rotary vane Voltage: 120/230V switchable Pump Options Oil mist eliminator Foreline roughing traps
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