Table of Contents

1 -  AS 2781-1999 ESSENTIAL OILS - OIL OF LEMON
4 -  PREFACE
5 -  CONTENTS
6 -  1 SCOPE
6 -  2 REFERENCED DOCUMENTS
6 -  3 DEFINITION
6 -  3.1 Oil of lemon
6 -  4 CHARACTERISTICS
6 -  4.1 General
6 -  4.2 Appearance
6 -  4.3 Odour
7 -  4.4 Relative density at 20°C/20°C
7 -  4.5 Refractive index
7 -  4.6 Optical rotation
7 -  4.7 Residue on evaporation
7 -  4.8 Miscibility in ethanol
7 -  4.9 Acid value
7 -  4.10 Aldehyde content as citral
7 -  5 SAMPLING
7 -  6 LABELLING AND PACKAGING
8 -  APPENDIX A - FLASHPOINT
8 -  A1 GENERAL INFORMATION
8 -  A2 FLASHPOINT OF OIL OF LEMON
9 -  APPENDIX B - METHOD FOR DETERMINING ALDEHYDE CONTENT
9 -  B1 SCOPE
9 -  B2 PRINCIPLE
9 -  B3 REAGENTS
9 -  B3.1 General
9 -  B3.2 Ethanol 60 percent (V/V)
9 -  B3.3 Bromophenol blue indicator solution
9 -  B3.4 Standard solution
9 -  B4 APPARATUS
10 -  B5 PROCEDURE

Abstract

Sets out characteristics of oil of lemon. This edition includes a specification for the determination of flashpoint.

RECONFIRMATION NOTICE
Technical Committee CH-021 has reviewed the content of this publication and in
accordance with Standards Australia procedures for reconfirmation, it has been determined
that the publication is still valid and does not require change.
Certain documents referenced in the publication may have been amended since the original
date of publication. Users are advised to ensure that they are using the latest versions of
such documents as appropriate, unless advised otherwise in this Reconfirmation Notice.
Approved for reconfirmation in accordance with Standards Australia procedures for
reconfirmation on 29 August 2013.
The following are represented on Technical Committee CH-021:
Australian Society of Cosmetic Chemists
ACCORD Australasian
Australian Society of Perfumers and Flavourists
Australian Tea Tree Industry Association
Cosmetic Toiletry and Fragrance Association
Essential Oils Producers Association of Australia
Flavour and Fragrance Association of Australia and New Zealand
NSW Department of Trade and Investment, Regional Infrastructure and Services
Royal Australian Chemical Institute
Southern Cross University
University of New South Wales
University of Tasmania

Scope

This Standard specifies certain characteristics for the oil of Australian-grown lemons, obtained by cold expression from the peel of such lemon fruit.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Standards Australia
ProductNote	This standard has been reconfirmed in Australia in 2013 and remains current in New Zealand. Reconfirmation Notice 27-09-2013
Pages
ISBN
Committee	CH-021
Supersedes	AS 2781-1985 DR 99051