USP Glycerin Purity Assay on ZB-624

GC Conditions

Column

Zebron ZB-624, GC Cap. Column 30 m x 0.53 mm x 3.00 µm, Ea

Part No

7HK-G005-36

Phase Name

ZB-624

Injection

Split 10:1 @ 220°C

Carrier Gas

Constant Flow Helium, 4.5 mL/min

Detection

Flame Ionization (FID) @ (250°C)

Detection Info

Sample Notes

Concentrations were 2.0 mg/mL Glycerin, 0.050 mg/mL ethylene glycol, 0.050 mg/mL diethylene glycol, and 0.10 mg/mL 2,2,2-trichloroethanol (IS) Resolution = 13.88 between glycerin and diethylene glycol