BS ISO 18252:2006
Current
The latest, up-to-date edition.
Anhydrous milk fat. Determination of sterol composition by gas liquid chromatography (Routine method)
Hardcopy , PDF
English
15-02-2006
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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
9.1 Sterol standard solutions
9.2 Test portion
9.3 Saponification
9.4 Extraction of the unsaponifiable matter
9.5 Qualitative analysis
9.6 Quantitative analysis
10 Precision
10.1 Interlaboratory test
10.2 Repeatability
10.3 Reproducibility
11 Test report
Annex A (informative) Example of the gas-liquid
chromatographic analysis
Annex B (informative) Results of an interlaboratory
trial
Bibliography
Describes a routine gas liquid chromatographic method for the determination of the sterol composition in anhydrous milk fat extracted from dairy products directly on the unsaponifiable matter, without purification and derivatization.
| Committee |
AW/5
|
| DevelopmentNote |
Supersedes 04/30116845 DC. (03/2006)
|
| DocumentType |
Standard
|
| Pages |
22
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| ISO 18252:2006 | Identical |
| ISO 5725-1:1994 | Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions |
| ISO 707:2008 | Milk and milk products — Guidance on sampling |
| ISO 14156:2001 | Milk and milk products — Extraction methods for lipids and liposoluble compounds |
| ISO 6799:1991 | Animal and vegetable fats and oils Determination of composition of the sterol fraction Method using gas chromatography |
| ISO 12078:2006 | Anhydrous milk fat Determination of sterol composition by gas liquid chromatography (Reference method) |
| ISO 5725-2:1994 | Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method |
| ISO 3696:1987 | Water for analytical laboratory use — Specification and test methods |
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