ISO/TR 23647:2010规定了测定粗制的、脱胶的、中和的、防冻的和完全精炼的植物油如葵花油、大豆油、菜籽油、玉米和米糠油的蜡含量的气相色谱法。 蜡是长链脂肪酸和脂肪醇(具有C20或更长的饱和碳链)的酯。 蜡含量以毫克/千克油表示。

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.