1. A reference method has been developed for the detection of buttermilk. In order to ensure uniform application of control measures, that analysis method should be used for checking skimmed-milk powder bought in by intervention agencies.
2. For the purpose of applying this Regulation, the reference methods set out in the first Commission Directive 85/503/EEC of 25 October 1985 on methods of analysis for edible caseins and caseinates as listed below are binding:
1. determination of moisture content (expressed as water),
2. determination of protein content (proteins),
3. determination of titratable acidity (free acidity),
4. determination of ash (including P2O5).