BS ISO BRITISH STANDARD 280:1998 Essential oils Determination of refractive index ICS 71.100.60 BSi BS ISO 280:1998 National foreword This British Standard reproduces verbatim ISO 280:1998 and implements it as the UK national standard. The UK participation in its preparation was entrusted to Technical Committee AW/54, Essential oils, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index", or by using the "Find" facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. This British Standard, having been prepared under the Summary of pages direction of the Consumer This document comprises a front cover, an inside front cover, the ISO title page, Products and Services Sector Committee, was published page ii, pages 1 to 3 and a back cover. under the authority of the The BSI copyright date displayed in this document indicates when the Standards Committee and comes into effect on document was last issued. 15May2001 Amendments issued since publication Amd. No. Date Comments CBSI 05-2001 ISBN0580374408 ISO INTERNATIONAL 280 STANDARD Second edition 1998-11-15 Essential oils Determination of refractive index Huiles essentielles - Determination de I'indice de réfraction ISO Reference number ISO 280:1998(E)