2017ISO 3656:2011/Amd 1:2017 Animal and vegetable fats and oils - Determination of ultraviolet absorbance expressed as specific UV extinction; Amendment 1
2011ISO 3656:2011 Animal and vegetable fats and oils. Determination of ultraviolet absorbance expressed as specific UV extinction
2002ISO 3656:2002 Animal and vegetable fats and oils - Determination of ultraviolet absorbance expressed as specific UV extinction
1989ISO 3656:1989 Animal and vegetable fats and oils; determination of ultraviolet absorbance
1977ISO 3656:1977 Animal oils and fats — Determination of specific extinction in ultra-violet light