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BS EN ISO 12228-1:2014:2017 Edition

BS EN ISO 12228-1:2014:2017 Edition

$167.15

Determination of individual and total sterols contents. Gas chromatographic method – Animal and vegetable fats and oils

Published By Publication Date Number of Pages
BSI 2017 34
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This part of ISO 12228 specifies a procedure for the gas chromatographic determination of the content and composition of sterols in animal and vegetable fats and oils. However, the determination of the contents and composition of sterols in olive and olive pomace oils is to be carried out using ISO 12228-2.

PDF Catalog

PDF Pages PDF Title
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
8 5 Reagents
9 6 Apparatus
7 Sample
7.1 Sampling
7.2 Preparation of the test sample
10 8 Procedure
8.1 Preparation of the aluminium oxide column
8.2 Test portion
8.3 Extraction of the unsaponifiable matter
8.4 Thin-layer chromatography
8.5 Isolation of the sterols
11 8.6 Preparation of sterol trimethylsilyl ethers
8.7 Gas chromatography
9 Expression of results
9.1 Identification of sterols
9.2 Composition of sterols
12 9.3 Determination of the total sterol content
13 10 Precision
10.1 Interlaboratory test
10.2 Repeatability limit, r 
10.3 Reproducibility limit, R 
11 Test report
14 Annex A (informative) Figures
21 Annex B (informative) Interlaboratory trial
30 Bibliography

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BS EN ISO 12228-1:2014
$167.15