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Determination of Free Fatty Acids in Palm Oil by Near-Infrared Reflectance Spectroscopy. JAOCS, Vol. 75, no. 5 (1998), 557-562
Structural characterization of panero crude oil by FT-infrared and 1H NMR. spectroscopy.Petroleum Science and Technology, Volume 10, Issue 9 1992 , pages 1407 – 1420
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