Features:

• Gerstel MPS Specifications:-Tray holds 3 sample racks (54x1.5 mL vials or 15x20 mL vials)-3 position tool changer with many syringes available*Typically 10 µL liquid syringe, 50 µL liuqid syringe, and 2.5 mL heated/purged headspace syringe mounted*Permits separate reagent addition and GC sampling syringes to be used in same method (e.g. Add TMS dervitization reagents with 50 µL syringe prior to sampling with 10 µL syringe for GC-MS analysis after reaction completes)-Heated agitator for chemical reactions or headspace sample prep*Max speed 750 rpm, max temp 150 ˚C-Sample prep and GC-MS analysis steps can be decoupled to maximize instrument utilization and ensure all samples have similar hold times after a reaction • Agilent 7890B Gas Chromatograph Specifications:-Full electronic pressure control-Split/splitless injector on front 40 ˚C - 450 ˚C-Gerstel CIS-4 programmable temperature vaporizer on back*Liquid N2 cooled, low thermal mass -150 ˚C – 450 ˚C (heat up to 12 ˚C/sec)*1.8 mm i.d. liners with variety of packings for purge/trap-Only one column go into MS, requires ~10 minutes to swap columns*Usually 0.18 mm i.d., 20 m DB-5MS column on back, 0.25 mm i.d., 30 m DB-5MS column on front-150 position autosampler for 0.1-5 uL injections • Agilent 7250 Q-TOF Specifications:-Mass range: 15-1200 Da (normal) or 100-3000 Da for (extended)-Mass accuracy: < 3 ppm, resolving power: 25,000-Extractor Low energy EI source (EI voltage tuned @ 15 eV and 70 eV)*15 eV EI and 180 ˚C source increases yield of molecular ion-Tandem MS using N2 as collision gas, 0-100 V collision energy*Quadrupole precursor isolation (0.6 Da wide window min.)