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AS
AS 5025.1-2002

AS 5025.1-2002

Current

Current

The latest, up-to-date edition.

Essential oils - General guidance on chromatographic profiles Preparation of chromatographic profiles for presentation in standards

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English

Published date

06-27-2002

Publisher

Standards Australia

Preview

1 - AS 5025.1-2002 ESSENTIAL OILS-GENERAL GUIDANCE ON CHROMATOGRAPHIC PROFILES - PREPARATION OF CHROMATOGRAPHIC PROFILES FOR...
4 - PREFACE
6 - CONTENTS
7 - 1 Scope
7 - 2 Normative references
7 - 3 Terms and definitions
8 - 3.1 representative components
8 - 3.2 characteristic components
8 - 3.3 typical chromatogram
8 - 3.4 chromatographic profile
8 - 4 Principle
8 - 5 Samples of the essential oil to be examined
8 - 6 Apparatus
8 - 6.1 Gas chromatograph,
8 - 6.2 Flame ionization detector.
9 - 6.3 Data-processing system
9 - 7 Performance of the apparatus
9 - 7.1 General
9 - 7.2 Preparation and composition of the standard test mixture
9 - 7.3 Procedure
9 - 7.4 Results
10 - 8 Preparation of test sample
10 - 9 Identification and selection of the representative and characteristic components of the essential oil
10 - 10 Fixing the concentration limits
11 - 11 Expression of results
11 - 12 Test report
12 - Annex A - Example of use of the test mixture to verify a gas chromatographic installation
13 - Annex B - Practical example of the elaboration of the chromatographic profile of the essential oil of sage...
13 - B.1 Application of clause 5
13 - B.2 Application of clause 7
13 - B.3 Application of clause 9
15 - B.4 Application of clause 10

Specifies general guidelines on the determination of the chromatographic profile of an essential oil by gas chromatography on a capillary column. This Standard is identical with and has been reproduced from ISO11024-1:1998.

This part of ISO 11024 describes general guidelines on the determination of the chromatographic profile of an essential oil by gas chromatography on a capillary column.The chromatographic profile is one of the specifications which enables assessment of the quality of an essential oil in the same way as the physico-chemical characteristics. It is determined at the time of finalizing the standard on the essential oil.It is not a determination of the true concentration of the components, it is only an evaluation of its relative proportions.NOTE: Refer also to ISO 11024-21) for use of chromatographic profiles of samples of essential oils.

Committee
CH-021
DocumentType
Standard
ISBN
0 7337 4596 2
Pages
12
ProductNote
This standard has been reconfirmed in Australia in 2013 and remains current in New Zealand. Reconfirmation Notice 27-09-2013
PublisherName
Standards Australia
Status
Current
Supersedes

Standards Relationship
ISO 11024-1:1998 Identical

First published as AS 5025.1-2002.Reconfirmed 2013. First published as AS 5025.1-2002.

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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