ISO20714:2019 - E-liquid — Determination of nicotine, PG, & VG in liquids

ISO-Approved method for the resolve of:

1.  Nicotine - reported in mg/mL (M)
2. Propylene Glycol (PG) - reported in %
3. Vegetable Glycerin AKA Glycerol (VG) - reported in %

by Gas chromatography tandem flame ionization detection (GC/FID).

Turnaround time is 72-hours from time-of-receipt.