EN ISO 1736:2008

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Sampling
8 Preparation of test sample
9 Procedure
10 Calculation and expression of results
11 Precision
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

ISO 1736|IDF 9:2008 specifies the reference method for the determination of the fat content of dried milk and dried milk products. The method is applicable to dried milk with a fat content of 40 % mass fraction or more, dried whole, dried partially skimmed, and dried skimmed milk, dried whey, dried buttermilk and dried butter serum.The method is not applicable when the powder contains hard lumps which do not dissolve in ammonia solution or free fatty acids in significant quantities.