This International Standard specifies three methods (two titrimetric and one potentiometric) for the determination of acidity in animal and vegetable fats and oils, hereinafter referred to as fats. The acidity is expressed preferably as acid value, or alternatively as acidity cal
DIN EN ISO 660:2020 history
2020DIN EN ISO 660:2020 Animal and vegetable fats and oils - Determination of acid value and acidity (ISO 660:2020); German version EN ISO 660:2020
1970DIN EN ISO 660 E:2019-06 Determination of acid value and acidity of animal and vegetable fats and oils (draft)
2019DIN EN ISO 660 E:2019 Draft Document - Animal and vegetable fats and oils - Determination of acid value and acidity (ISO/DIS 660:2019); German and English version prEN ISO 660:2019
2009DIN EN ISO 660:2009 Animal and vegetable fats and oils - Determination of acid value and acidity (ISO 660:2009); English version of DIN EN ISO 660:2009-10
0000 DIN EN ISO 660:2008
2005DIN EN ISO 660:2005 Animal and vegetable fats and oils - Determination of acid value and acidity (ISO 660:1996 + Amd 1:2003); German version EN ISO 660:1999 + A1:2005