NEN EN ISO 15788-2 : 2004
Current
The latest, up-to-date edition.
ANIMAL AND VEGETABLE FATS AND OILS - DETERMINATION OF STIGMASTADIENES IN VEGETABLE OILS - PART 2: METHOD USING HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY
12-01-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Sampling
8 Preparation of test sample
8.1 General
8.2 External standard method
8.3 Internal standard method
9 Procedure
9.1 High-pressure liquid chromatography (HPLC)
9.2 Identification of steradienes
10 Expression of results
10.1 External standard
10.2 Internal standard
11 Precision
11.1 Interlaboratory test
11.2 Repeatability
11.3 Reproducibility
12 Test report
Annex A (informative) Results of interlaboratory test
Annex B (informative) Examples of chromatograms
Bibliography
Defines a method for the determination of steradienes, especially stigmastadienes. Steradienes are formed by dehydration of sterols during bleaching and also partially during steam washing and deodorization.
| DocumentType |
Standard
|
| PublisherName |
Netherlands Standards
|
| Status |
Current
|
| Standards | Relationship |
| UNI EN ISO 15788-2 : 2005 | Identical |
| DIN EN ISO 15788-2:2005-02 | Identical |
| BS EN ISO 15788-2:2004 | Identical |
| EN ISO 15788-2:2004 | Identical |
| ISO 15788-2:2003 | Identical |
| UNE-EN ISO 15788-2:2005 | Identical |
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