เคมี
เอกสารมาตรฐาน
สหรัฐอเมริกา
AOCS
Ca 5d-01
Free Fatty Acids in Crude Vegetable Oils by Capillary Gas Chromatography
2017
3
665.0288 AOCS 7th ed. 2017-2019 rev. Ref.
Fatty acids are trimethylsilyl derivatized and determined by gas chromatography using an internal standard for quantitation. This method is applicable to most crude vegetable oils and other oil-bearing materials that contain free fatty acids.