GC Chromatograms

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GC CHROMATOGRAMS | CLINICAL Benzodiazepines, Cannabinoids Benzodiazepines (15 μg/mL) on Rxi®-5Sil MS Peaks 1. Oxazepam 2. Lorazepam 3. Diazepam 4. Flunitrazepam 5. Prazepam 6. Clonazepam 7. Alprazolam Rxi® Technology! Exceptionally inert, ultra low-bleed capillary columns. Good peak shape with a fast elution time of
GC CHROMATOGRAMS | CLINICAL Cocaine, Cold Medications Cocaine and Metabolites (TMS Derivatives) on Rxi®-5Sil MS (100 ng/mL) Peaks m/z 1 m/z 2 m/z 3 1. Ecgonine methyl ester 82 96 256 2. Ecgonine 82 96 356 3. Cocaine 82 182 303 4. Cocaethylene 82 196 317 5. Benzoylecgonine 82 96 346 6. Cannabinol* 409 -- -- Rxi® Technology! Exceptionally inert, ultra low-bleed capillary columns. Column Rxi®-5Sil MS, 30 m, 0.25 mm ID, 0.25 μm (cat.# 13623) Sample Diluent: Butyl chloride Conc.: 100 ng/mL Injection Inj. Vol.: 1 μL splitless (hold 1 min) Liner: Single taper w/wool (cat.# 22286-200.1) Inj. Temp.: 250 °C Purge Flow: 20 mL/min Oven Oven Temp: 100 °C to 200 °C at 30 °C/min to 300 °C at 15 °C/min Carrier Gas He, constant linear velocity Linear Velocity: 40 cm/sec, 12.5 psi, 86.2 kPa @ 100 °C Detector MS Mode: SIM Transfer Line Temp.: 310 °C Source Temp.: 250 °C Solvent Delay Time: 4 min Tune Type: PFTBA Ionization Mode: EI Instrument Shimadzu 2010 GC & QP2010+ MS Notes Samples were prepared as follows: Standards brought to dryness under nitrogen, then 50 μL BSTFA + 1% TMCS (cat.# 35606) were added. 50 μL pyridine was then added, and samples were incubated at 70 °C for 30 min. After incubation, samples were diluted with butyl chloride. * Cannabinol was used as a derivatization check. GC_CF1149 Underivatized Cold Medications (Basic Drugs) on Rtx®-5 Amine Peaks 1. Phenylpropanolamine 2. Phenylephrine 3. Guaifenesin 4. Pheniramine 5. Phenyltoloxamine 6. Chlorpheniramine 7. Brompheniramine 8. Dextromethorphan 9. Pyrilamine 10. Codeine 11. Hydrocodone GC_PH00469 Column Rtx®-5 Amine, 30 m, 0.53 mm ID, 1.00 μm (cat.# 12355) Injection Inj. Vol.: 1 μL split (split ratio 20:1) Inj. Temp.: 250 °C Split Vent Flow Rate: 88 mL/min Oven Oven Temp: 175 °C to 280 °C at 10 °C/min (hold 5.5 min) Carrier Gas He, constant flow Linear Velocity: 40 cm/sec Detector FID @ 280 °C 578 www.restek.com
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GC Chromatograms

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