ISO International Standard

Vegetable fats and oils — Determination of wax content by gas chromatography

ISO/TR 23647:2010 specifies a gas chromatographic method for determining the wax content of crude, degummed, neutralized, winterized, and fully refined vegetable oils, such as sunflower, soybean, rapeseed, corn, and rice bran oils.

Waxes are esters of long chain fatty acids and fatty alcohols (having C20 or longer saturated carbon chain).

The wax content is expressed in milligrams per kilogram of oil.

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