BS ISO 12871:2019
$102.76
Olive oils and olive-pomace oils. Determination of aliphatic and triterpenic alcohols content by capillary gas chromatography
Published By | Publication Date | Number of Pages |
BSI | 2019 | 20 |
This document specifies a procedure for the determination of the content, as a mass fraction expressed as milligrams per kilogram, of aliphatic and triterpenic alcohols in olive oils and olive-pomace oils.
NOTE This document is based on COI/T.20/Doc. 26 Rev.2:2017[4].
PDF Catalog
PDF Pages | PDF Title |
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2 | National foreword |
6 | Foreword |
7 | 1 Scope 2 Normative references 3 Terms and definitions 4 Principle 5 Reagents |
8 | 5.3 Diethyl ether. 5.4 Anhydrous sodium sulfate. 5.13 Hexamethyldisilazane (HMDS). 5.14 Trimethylchlorosilane (TMCS). 6 Apparatus |
9 | 6.13 Flame ionization detector. 6.14 Integration system. 6.19 Drying oven. |
10 | 7 Sampling 8 Preparation of the test sample 9 Procedure 9.1 Preparation of the unsaponifiable matter 9.2 Separation of alcoholic fractions |
11 | 9.3 Preparation of the trimethylsilyl ethers |
12 | 9.4 Gas chromatographic analysis 9.4.1 Preliminary operations and column packing 9.4.2 Operating conditions |
13 | 9.4.3 Analytical procedure 9.4.4 Peak identification 9.4.5 Quantitative evaluation |
14 | 10 Precision 10.1 Interlaboratory test 10.2 Repeatability 10.3 Reproducibility 11 Test report |
15 | Annex A (informative) Thin-layer chromatography separation example and chromatogram examples |
18 | Annex B (informative) Results of an interlaboratory test |
19 | Bibliography |