GC-FID Method Note – Terpenes

Analysis of Terpenes in the miniGC
Introduction
Shown here are a couple of different terpenes mixes run with a few different methods.
miniGC Method 1
Column | MXT-5, 30 m, 0.25 mm ID, 0.25 µm (cat.# 70223-LUC25) |
Sample | |
Injection | |
Inj. Vol.: | 1.0 µL split (split ratio 20:1) |
Liner: | 4 mm low pressure drop precision inlet liner w/ wool (cat.# 23309) |
Inj. Temp.: | 250°C |
Oven | |
Oven Temp.: | Stage 1: Hold at 35°C for 0 min Stage 2: Ramp to 205°C at 10°C/min and hold for 0 min Stage 3: Ramp to 360°C at 35°C/min and hold for 2.0 min |
Carrier Gas | He, constant pressure |
Linear Velocity: | 39.0 cm/sec (1.90mL/min) |
Detector | FID @ 325°C |
Instrument | Lucidity miniGC |
Reference Chromatogram


miniGC Method 2
Column | MXT-5, 30 m, 0.25 mm ID, 0.25 µm (cat.# 70223-LUC25) |
Sample | |
Injection | |
Inj. Vol.: | 1.0 µL split (split ratio 10:1) |
Liner: | 4 mm low pressure drop precision inlet liner w/ wool (cat.# 23309) |
Inj. Temp.: | 250°C |
Oven | |
Oven Temp.: | Stage 1: Hold at 50°C for 1.0 min Stage 2: Ramp to 300°C at 25°C/min and hold for 4.0 min |
Carrier Gas | He, constant velocity |
Linear Velocity: | 55.6 cm/sec (3.00 mL/min) |
Detector | FID @ 300°C |
Instrument | Lucidity miniGC |
miniGC Chromatograms



miniGC Method 3 – Hydrogen as Carrier Gas
Column | MXT-5, 30 m, 0.25 mm ID, 0.25 µm (cat.# 70223-LUC25) |
Sample | |
Injection | |
Inj. Vol.: | 2.0 µL split (split ratio 20:1) |
Liner: | 4 mm low pressure drop precision inlet liner w/ wool (cat.# 23309) |
Inj. Temp.: | 210°C |
Oven | |
Oven Temp.: | Stage 1: Hold at 40°C for 1.0 min Stage 2: Ramp to 230°C at 6°C/min and hold for 4.0 min |
Carrier Gas | H2, constant velocity |
Linear Velocity: | 47.0 cm/sec (1.80 mL/min) |
Detector | FID @ 300°C |
Instrument | Lucidity miniGC |
miniGC Chromatograms








More results from the miniGC can be found here: https://luciditysystems.com/products/minigc/minigc-results/
More information on the miniGC can be found here: https://luciditysystems.com/products/minigc/
To see the miniGC in operation go here: https://luciditysystems.com/products/minigc/minigc-interface/