IS 548 : Part 2 : Sec 21 : 1988 Methods of sampling and test for oils and fats: Part II Purity tests: Sec 21 Test for detection of animals fat in vegetable oils and fats and vice-versa by GLC

1 Scope

1.1 This standard (Part 2/Sec 21) prescribes the method fordetection of animal fats in vegetable oils and fats and vice-versathrough identification of sterols by gas-liquid chromatography.

2 References

IS 2 :1960Rules for rounding off numerical values

IS 170 :1986Specification for acetone

IS 321 :1964Specification for absolute alcohol

IS 323 :1959Specification for rectified spirit

IS 548 : Part 1 :1964 Sampling, physical and chemical tests

IS 548 : Part 2 :1976 Methods of sampling and tests for oils andfats:Part 2 Purity tests

IS 548 : Part 3 :1976 Method of sampling and test for oils andfats:Part 3 Analysis by gas-liquid chromatography

IS 1745 :1978Specification for petroleum hydrocarbon solvents