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Instrument Database:
Varian Inc. (Part A) - 1200 and 1200L Triple Quadrupole GC/MS
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| Year of introduction |
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| Status |
historical ( out of sale ) |
| Company |
Varian Inc. (Part A)
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| Categories |
Mass spectrometer: GC-MS
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Design with Purpose
The Varian 1200 and 1200L MS provide the highest level of flexibility and triple quadrupole performance in an affordable, easy-to-use system. The complete system with autosampler and workstation guarantees success with today's applications and still includes valuable, upgrade paths for future needs. 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. |  |
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| Specifications |
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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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