ISO INTERNATIONAL STANDARD 10540-2 First edition 2003-02-01 Animal and vegetable fats and oils - Determination of phosphorus content Part 2: Method using graphite furnace atomic absorption spectrometry Corps gras d'origines animale et vegetale - Determination de la teneur enphosphore- Partie 2: Methode par spectrometrie d'absorption atomique avec four en graphite Reference number ISO 10540-2:2003(E) ISO @ ISO 2003 HS under I without license from IHS Not for Resale ISO 10540-2:2003(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 accepts no liability in this area. Adobe is a trademarkof AdobeSystems 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 that a problem relating to it is found, please inform the Central Secretariat at the address given below ?ISO2003 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, IsO's 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.org Published in Switzerland ationalgazaiSandardizato @Iso2003-All rightsreserved ermittedwithout license from IHS Not for Resale ISO10540-2:2003(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies established has the right to be represented on that committee. International organizations, governmental and non-governmental, in 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 2. 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 document may be the subject of patent ISO 10540-2 was prepared by Technical Committee ISO/TC 34, Food products, Subcommittee SC 11, Animal and vegetable fats and oils. Iso 10540 consists of the following parts, under the general title Animal and vegetable fats and oils - Determination of phosphorus content: Part 1: Colorimetric method Part 2: Method using graphite furnace atomic absorption spectrometry Part 3: Methodusing inductively coupled plasma (IcP) optical emission spectroscopy ili aadizao No reproductic neworkingmitedwithout licenefrmH Not for Resale INTERNATIONAL STANDARD ISO 10540-2:2003(E) Animal and vegetable fats and oils Determination of phosphorus content - Part 2: Method using graphite furnace atomic absorption spectrometry Scope This International Standard specifies a rapid method for the determination of trace amounts of phosphorus (< 40 mg/kg) in crude or refined animal and vegetable fats and oils (hereafter referred to as fats). The limit of determination of the method is 1,0 mg/kg. Normative references references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IsO 661, Animal and vegetable fats and oils Preparation of test sample IsO 10540-1, Animal and vegetable fats and oils Determination of phosphorus content — Part 1: Colorimetric method 3 Principle A test portion is mixed with a matrix modifier then vaporized in a graphite