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BS EN ISO 11337:2010

BS EN ISO 11337:2010

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Plastics. Polyamides. Determination of e-caprolactam and w-laurolactam by gas chromatography

Available format(s)

Hardcopy , PDF

Superseded date

10-02-2023

Language(s)

English

Published date

31-01-2011

Publisher

British Standards Institution

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Method A: Extraction method
5 Method B: Dissolution method

Describes a method for determining epsilon-caprolactam and omega-laurolactam in polyamides by gas chromatography. Appropriate particularly for the determination of epsilon-caprolactam in polyamide 6 and omega-laurolactam in polyamide 12. Bearing in mind that gas chromatography offers a wide range of possible conditions, the method specified is that shown to have been suitable in practice.

This International Standard specifies a method for determining ε-caprolactam and ω-laurolactam in polyamides by gas chromatography. It is suitable particularly for the determination of ε-caprolactam in polyamide 6 and ω-laurolactam in polyamide 12. Bearing in mind that gas chromatography offers a wide range of possible conditions, the method specified is that shown to have been suitable in practice.

Two variants of the basic method are specified:

  • Method A is an extraction method with boiling methanol, and the extract is injected into a gas chromatograph.

  • Method B is a method using a solvent, and the solution is injected into a gas chromatograph.

Committee
PRI/21
DevelopmentNote
Supersedes 96/122656 DC. (06/2004) Supersedes 09/30194950 DC. (01/2011)
DocumentType
Standard
Pages
24
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

ISO 565:1990 Test sieves — Metal wire cloth, perforated metal plate and electroformed sheet — Nominal sizes of openings
ISO 472:2013 Plastics Vocabulary

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PDF - English
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