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BS ISO 12871:2019 – TC:2020 Edition

$134.27

Tracked Changes. 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 2020 43
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PDF Catalog

PDF Pages PDF Title
7 Foreword
8 Introduction
10 5.3 Diethyl ether.
5.4 Anhydrous sodium sulfate.
5.155.14 Trimethylchlorosilane (TMCS).
11 5.165.15 Standard solutions of trimethylsilyl ethers (TMSE), of aliphatic alcohols from C20C20 to C28C28. Prepare from mixtures of pure alcohols immediately prior to use.
6.10.3 Flame ionization detector.
13 9.1 Preparation of the unsaponifiable matter
9.2 Separation of alcoholic fractions
15 9.3 Preparation of the trimethylsilyl ethers
9.4 Gas chromatographic analysis
9.4.1 Preliminary operations and column packing
9.4.2 Operating conditions
16 9.4.3 Analytical procedure
9.4.4 Peak identification
9.4.5 Quantitative evaluation
17 10.1 Interlaboratory test
10.2 Repeatability
10.3 Reproducibility
23 Bibliography
25 National foreword
29 Foreword
30 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
31 5.3 Diethyl ether.
5.4 Anhydrous sodium sulfate.
5.13 Hexamethyldisilazane (HMDS).
5.14 Trimethylchlorosilane (TMCS).
6 Apparatus
32 6.13 Flame ionization detector.
6.14 Integration system.
6.19 Drying oven.
33 7 Sampling
8 Preparation of the test sample
9 Procedure
9.1 Preparation of the unsaponifiable matter
9.2 Separation of alcoholic fractions
34 9.3 Preparation of the trimethylsilyl ethers
35 9.4 Gas chromatographic analysis
9.4.1 Preliminary operations and column packing
9.4.2 Operating conditions
36 9.4.3 Analytical procedure
9.4.4 Peak identification
9.4.5 Quantitative evaluation
37 10 Precision
10.1 Interlaboratory test
10.2 Repeatability
10.3 Reproducibility
11 Test report
38 Annex A (informative) Thin-layer chromatography separation example and chromatogram examples
41 Annex B (informative) Results of an interlaboratory test
42 Bibliography
BS ISO 12871:2019 - TC
$134.27