This International Standard specifies a method for the determination of the acidity of the fat contained in milkfat products and in butter. note: 1) As defined in FAO/WHO Standard A-2, Section A for anhydrous milkfat and anhydrous butter oil, and Section B for ghee.
BS ISO 1740:2004 history
2004BS ISO 1740:2004 Milkfat products and butter - Determination of fat acidity (reference method)