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|Column||Rxi-5Sil MS, 15 m, 0.25 mm ID, 0.25 µm (cat.# 13620)|
|Inj. Vol.:||1 µL split (split ratio 20:1)|
|Liner:||Premium 4.0 mm ID single taper inlet liner w/wool (cat.# 23303.5)|
|Inj. Temp.:||250 °C|
|Oven Temp.:||200 °C (hold 0 min) to 300 °C at 15 °C/min (hold 0 min)|
|Carrier Gas||H2, constant pressure (7 psi, 48.3 kPa)|
|Dead Time:||0.6 min @ 200 °C|
|Detector||FID @ 300 °C|
|Make-up Gas Flow Rate:||45 mL/min|
|Make-up Gas Type:||N2|
|Notes||Blue trace = cannabinoids standard (cat.# 34014) diluted to 100 µg/mL in isopropyl alcohol.|
Red trace = extracted marijuana sample
Sample extraction: Weigh 0.2 g of sample into a 40 mL VOA vial, add 40 mL of isopropyl alcohol, shake for 5 minutes, and allow sample to settle.
Quantification: Potency values (weight%) were based on a 1-point standard curve using the standard show above.