Determination of individual and total sterols contents - Gas chromatographic method - Part 1: Animal and vegetable fats and oils (ISO 12228-1:2014); German version EN ISO 12228-1:2014— 31 стр.
Accuracy (trueness and precision) of measurement methods and results - Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method (ISO 5725-2:1994 including Technical Corrigendum 1:2002)— 97 стр.
Animal and vegetable fats and oils - Determination of individual and total sterols contents - Gas chromatographic method (ISO 12228:1999); German version EN ISO 12228:1999— 17 стр.
Determination of individual and total sterols contents - Gas chromatographic method - Part 1: Animal and vegetable fats and oils (ISO/DIS 12228-1:2013); German version prEN ISO 12228-1:2013
Animal and vegetable fats and oils - Determination of individual and total sterols contents - Gas chromatographic method (ISO 12228:1999); German version EN ISO 12228:1999— 17 стр.