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BS ISO 12871:2019

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
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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
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

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BS ISO 12871:2019
$102.76