NBN EN ISO 8069 : 2007

Foreword
1 Scope
2 Terms and definitions
3 Principle
4 Reagents
5 Apparatus
6 Sampling
7 Preparation
    7.1 Preparation of test sample
    7.2 Test portion
    7.3 Blank test
    7.4 Preparation of solution and deproteination
8 Procedure
    8.1 Test to check the activity of reagents
    8.2 Determination
9 Calculation and expression of results
    9.1 Calculation
    9.2 Expression of results
10 Precision
    10.1 Interlaboratory test
    10.2 Repeatability
    10.3 Reproducibility
11 Test report
Annex A (normative) Good laboratory practice (GLP) rules
                    for the performance of enzymatic analyses
Bibliography

Defines an enzymatic method for the determination of the lactic acid and lactates content of all types of dried milk.