NBN EN ISO 7208 : 2008

1 Scope
2 Normative reference
3 Term and definition
4 Principle
5 Reagents
6 Apparatus
7 Sampling
8 Preparation of test sample
9 Procedure
    9.1 Test portion
    9.2 Blank tests
    9.3 Preparation of fat-collecting vessel
    9.4 Determination
10 Calculation and expression of results
    10.1 Calculation
    10.2 Expression of results
11 Precision
    11.1 Interlaboratory test
    11.2 Repeatability
    11.3 Reproducibility
12 Test report
Annex A (informative) Notes on procedures
Annex B (informative) Alternative procedure using
        fat-extraction tubes with siphon or wash-bottle
        fittings
Bibliography

Defines reference procedure for determining the fat content of liquid skimmed milk, whey and buttermilk - a particularly accurate gravimetric procedure intended particularly for the establishment of the operating efficiency of cream separators. In addition, it defines the reference procedure for establishment of correction tables for methods with skimmed milk butyrometers.