This standard specifies the method for the determination of insoluble impurities in animal and vegetable oils] This standard applies to animal and vegetable oils. If soaps (especially calcium soap) or chlorinated fatty acids are not calculated as insoluble impurity content, the same solvent and operation method should be used to make the determination of insoluble impurity content meet the relevant requirements.
GB/T 15688-2008 history
2009GB/T 15688-2008 Determination of the content of insoluble impurities in animal and vegetable fats and oils
1995GB/T 15688-1995 Animal and vegetable oils and fats--Determination of insoluble impurities content