ISO INTERNATIONAL STANDARD 10727 Second edition 2002-07-15 Tea and instant tea in solid form - Determination of caffeine content Method using high-performance liquid chromatography The et thé soluble sous forme solide - Détermination de la teneur en cafeine Méthode par chromatographie liquide a haute performance Reference number ISO 10727:2002(E) @ ISO 2002 No reproduction or networking permited without license from IHS Not for Resale ISO10727:2002(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event @ISO2002 member body in the country of the requester. ISO copyright office Case postale 56 · CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.ch Printed in Switzerland yatigaaiSandardizato @ ISO 2002 - All rights reserved No reproduction or networking permitted without license from IHS Not for Resale ISO 10727:2002(E) Foreword member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has liaison with IsO, also take part in the work. IsO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 3. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this International Standard may be the subject oi patent rights. IsO shall not be held responsible for identifying any or all such patent rights. International Standard ISO 10727 was prepared by Technical Committee ISO/TC 34, Food products, Subcommittee SC 8, Tea. This second edition cancels and replaces the first edition (IsO 10727:1995), which has been technically revised Annex A of this International Standard is for information only. CopyrhtIatioalganizationorSandadizatioerved ili Not for Resale