ISO 20752:2023

Cork stoppers — Determination of releasable 2,4,6-trichloroanisol (TCA)

This document specifies a test method to determine releasable 2,4,6-trichloroanisole (TCA) from all types of cork stoppers and their constituents.

Bouchons en liège — Dosage du 2,4,6-trichloroanisole (TCA) relargable

Le présent document spécifie une méthode d’essai pour doser le 2,4,6-trichloroanisole (TCA) relargable de tous les types de bouchons en liège et de leurs constituants.

General Information

• Status: Published
• Publication Date: 17-Dec-2023
• ICS: 79.100 - Cork and cork products
• Technical Committee: ISO/TC 87 - Cork
• Drafting Committee: ISO/TC 87/WG 10 - Stoppers - Chemical test methods
• Current Stage: 6060 - International Standard published
• Start Date: 18-Dec-2023
• Due Date: 06-Nov-2023
• Completion Date: 18-Dec-2023

Relations

• Revises: ISO 20752:2014 - Cork stoppers — Determination of releasable 2, 4, 6-trichloroanisol (TCA)
• Effective Date: 23-Apr-2020

Standards Content (Sample)

INTERNATIONAL ISO
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)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: [phone]
Email: [e-mail]
Website: www.iso.org
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 .
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ISO/PRF 20752:2023(E) .
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ISO /TC 87/WG 10
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Date: 2023-10-07
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Secretariat: IPQ
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Cork stoppers — Determination of releasable
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2,4,6 - -trichloroanisol (TCA)
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Bouchons en liège — Dosage du 2,4,6-trichloroanisole (TCA) relargable
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ISO/PRF 20752:2023(E)
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Formatted: Font: 11 pt, Bold, Font color: Auto
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© ISO 2023
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All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this
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publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical,
including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can Commented [eXtyles1]: The reference is to a withdrawn
standard which has been replaced
be requested from either ISO at the address below or ISO’s member body in the country of the requester.

ISO 20344, Personal protective equipment — Test methods
ISO copyright office
for footwear
CP 401 • Ch. de Blandonnet 8
Formatted: Default Paragraph Font
CH-1214 Vernier, Geneva
Phone: + 41 22 749 01 11
Formatted: Default Paragraph Font
EmailE-mail: [e-mail]
Formatted: Adjust space between Latin and Asian text,
Website: www.iso.orgwww.iso.org
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Published in Switzerland
Formatted: French (Switzerland)
Formatted: French (Switzerland)
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Formatted: Font: 11 pt
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ii © ISO 2023 – All rights reserved
ii © ISO 2023 – All rights reserved

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ISO/PRF 20752:2023(E)
Formatted: Font: 11 pt, Bold, Font color: Auto
Formatted: Font: 11 pt, Bold, Font color: Auto
Formatted: Font: Bold
Contents
Formatted: Left
Foreword . v
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 .
...