Hydrochloric acid, potassium chloride, sodium sulfate anhydrous, methanol, hexane, chloroform and sodium methoxide solution were purchased from Sigma-Aldrich, (Sigma-Aldrich, Burlington, MA, USA) [49 (link)]. Supelco 37 comp. FAME mix was purchased from Supelco (Supelco Analytical, Bellefonte, PA, USA).
Free full text: Click here