Anhydrous milk fat. Determination of sterol composition by gas liquid chromatography (Routine method)

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

15-02-2006

Publisher

British Standards Institution

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	04/30116845 DC : DRAFT JUL 2004

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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BS ISO 18252:2006

Anhydrous milk fat. Determination of sterol composition by gas liquid chromatography (Routine method)

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