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( GC system )

model : 7890B

1. System Capabilites

     1) Supports simultaneously

       - two inlets

       - Three detectors (third detector as TCD or ECD)

     2) Column Oven

       - Diamensions : 28 * 31 * 16 cm

       - Operating temperature range : +4¡É to 450¡É

( GC-MASS system)

model : 5977A MSD

1. Mass Selective Detector

1) EI Source : Standard Inert or high sensitivity Extractor

2) CI Source : PCI, NCI, and acquisition

3) Ion source temperature : 150 - 350¡É

4) Quadrupole temperature : 106 - 200¡É

5) Mass filter : Monolithic hyperbolic quadrupole

6) Mass range : 1.6 - 1050 u

7) Mass axis stability : Better than 0.10u / 48h

8) Detector : Triple-Axis Detector with long life EM

( Multi-Shot Pyrolyzer ) 

model : PY-3030D

1. Performance guaranteed (detector : MS & FID)

1) Reproducibility of pyrograms

  - In flash pyrolysis of PS (25 ¥ìg) at 550¨¬C (Eco cup LF used), the relative standard deviation (RSD) of the peak area ratio of styrene trimer (SSS) and methyl stearate(Me-Ste): ¡Â2% (Eco cup LF)

2) Reproducibility of EGA thermograms

  - RSD of the peak top temperature of PS: ¡Â0.3%

2. Furnace and sampling unit

1) Pyrolyzer furnace : Cylindrical ceramic heater

  - Temperature control range/Stability : Room temperature + 10¨¬C up to 1050¨¬C (1¨¬C step) / ¡¾0.1¨¬C

  - Cooling system : Forced air cooling by nitrogen or compressed air

  - Cooling time (pressure: 500kPa) : Within 10 min (800¨¬C down to 50¨¬C when ITF in auto mode)

2) Interface (ITF) (Cartridge heater)

  - Temperature/Stability : 40 up to450¨¬C (1¨¬C step) / ¡¾0.1¨¬C

3) Sampler

  - Double-shot sampler and Liquid sampler

4) Deactivated sample cup

  - Eco cup SF(50 ¥ìL) and LF (80 ¥ìL)

3. Temperature controller

1) Overheat protection temperature : PY: 1100¨¬C, ITF: 500¨¬C