Report 0218-2008: Steryl Glucoside Calibration By Haiying Tang.

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Presentation transcript:

Report : Steryl Glucoside Calibration By Haiying Tang

Steryl glucoside (SG) ISTD1 ISTD2 GC-FID Chromatography: Steryl glucoside (Standard,Matreya)

GC-FID Chromatography: Sterol glycoside (Standard,Matreya) ISTD2 SG

GC-FID Chromatography STD:Mono1,3,5 STD:SG STD: Total glycerol glycerol ISTD1 ISTD2 Diglyceridestriglycerides ISTD1 Mono1 Mono Mono3,5 SG

Calibration Curve

GC-FID Chromatography SG-Std REG- insoluble ISTD2 SG

STD-SG Insoluble-B100soy STD:Di-;Tri- GC-FID Chromatography

Quantity of SG in Biodiesel Area SG Conc.(mg/l)SG REG %(purity) Insoluble-SBO ppm Insoluble-CSO ppm B100-SBO (after filtration) ppm B100-CSO ( after filtration) ppm

Future Work Insoluble formation on SBO-based biodiesel (NextDiesel) Quantify the SG in biodiesel using GC-FID

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Table 1. Sterol composition in some seed oils of commercial importance (mg/Kg). Corn oilcottonseedolivepalmrapeseedsafflowersoybeansunflower cholesterol campesterol stigmasterol β-sitosterol Δ5-avenasterol Δ7-stigmastenol Δ7-avenasterol brassicasterol other Data from Gunstone, F.D., Harwood, J.L. and Padley, F.B. The Lipid Handbook (Second Edition) (Chapman & Hall, London) (1994).