Skimmed milk, whey and buttermilk - Determination of fat content - Gravimetric method (Reference method) (ISO 7208:2008); German version EN ISO 7208:2008— 22 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.
Milk and milk products - Determination of milk fat purity by gas chromatographic analysis of triglycerides (Reference method) (ISO 17678:2010); German version EN ISO 17678:2010— 30 стр.