Figure 1From: A rapid analysis of plasma/serum ethylene and propylene glycol by headspace gas chromatography HS-GC separation of the phenylboronic derivatives of ethylene glycol (EG) and propylene glycol (PG) with 1,3-propanediol as the internal standard (IS). (A) Quality control plasma sample containing 25 mg/dL each of EG and PG. (B) Patient plasma sample containing 11.6 mg/dL of EG. (C) Patient plasma sample containing 53.4 mg/dL of PG.Back to article page