TCVN 6350-1998 Animal and vegetable fats and oils.Determination of butylhydroxyanisole (BHA) and butylhydroxytoluene (BHT).Gas liquid chromatographic method
2008TCVN 6350-1998 Animal and vegetable fats and oils.Determination of butylhydroxyanisole (BHA) and butylhydroxytoluene (BHT).Gas liquid chromatographic method