UNI EN ISO 30024 : 2009
Current
The latest, up-to-date edition.
ANIMAL FEEDING STUFFS - DETERMINATION OF PHYTASE ACTIVITY
08-10-2009
Foreword
Introduction
1 Scope
2 Terms and definitions
3 Principle
4 Reagents
5 Apparatus
6 Sampling
7 Sample preparation
8 Procedure
8.1 Blank solutions
8.2 Standards
8.3 Standard curve
8.4 Phytase level control
8.5 Feed test portions
9 Calculations
9.1 Formulation standard curve
9.2 Calculation phytase activity
9.3 Correction for phytic acid purity and water content
9.4 Interference with blank values
10 Precision
10.1 Limit of detection and limit of quantification
10.2 Interlaboratory test
10.3 Repeatability
10.4 Reproducibility
11 Test report
Annex A (informative) - Interlaboratory study results
Bibliography
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