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STANDARD 20752
Third edition
Cork stoppers — Determination of
releasable 2,4,6-trichloroanisol (TCA)
Bouchons en liège — Dosage du 2,4,6-trichloroanisole (TCA)
relargable
PROOF/ÉPREUVE
Reference number
ISO 20752:2023(E)
© ISO 2023
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ISO 20752:2023(E)
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© ISO 2023
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Published in Switzerland
ii
PROOF/ÉPREUVE © ISO 2023 – All rights reserved
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ISO 20752:2023(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Symbols and abbreviated terms.1
5 Principle . 2
6 Test conditions .2
7 Reagents . 2
8 Apparatus . 2
9 Sampling . 3
10 Procedure .3
10.1 Calibration . 3
10.2 Sample preparation . 3
10.3 SPME . 3
10.3.1 Test portion . 3
10.3.2 Adsorption . 4
10.4 GC . 4
10.4.1 Desorption .
...