ISO INTERNATIONAL STANDARD 8007-2 First edition 1999-08-01 Carbonaceous materials used in the production of aluminium Sampling plans and sampling from individual units Part 2: Prebaked anodes Produits carbonés utilisés pour la production de I'aluminium -Plans d'échantillonnage et échantillonnage pour unités individuelles- Partie 2: Anodes précuites ISO Reference number ISO 8007-2:1999(E) IHSunder Not for Resale ISO 8007-2:1999(E) Contents 1Scop 2 Normative references .. 3Definitions 4 Sampling plans for large consignments or for batches 4.1 General.. 4.2 Single unit of product.. 4.3 Drawing up a sampling plan based on acceptable quality level (AQL).. 4.4 Operating the sampling plan based on acceptable quality level (AQL).. 4.5 Drawing up a sampling plan based on average test values, 5 Taking test samples from individual anodes... 5.1Procedure 5.2 Dimensions of test samples 5.3 Sampling points... .6 6 Sampling report Annex A (informative) Examples ?ISO1999 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced microfilm, without permission in writing from the publisher. International OrganizationforStandardization Casepostale56·CH-1211Geneve20·Switzerland Internet [email protected] Printed in Switzerland onal Organization for Standardization Not for Resa @ ISO ISO 8007-2:1999(E) Foreword ISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(lSo member bodies). The work of preparing International Standards is normally carried out through IsO technical committees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhas liaison with IsO, also take part in the work. IsO collaborates closely with the International Electrotechnical Commission(lEC)onallmattersofelectrotechnicalstandardization International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 3 International Standard ISO 8007-2 was prepared by Technical Committee, ISO/TC 47, Chemistry, Subcommittee Sc 7, Aluminium oxide, cryolite, aluminium fluoride, sodium fluoride, carbonaceous products for the aluminium industry. aluminium-Samplingplans and sampling from individualunits: Part 1: Cathode blocks Part2:Prebaked anodes Part 3, which is in preparation, will give procedures for sampling sidewall blocks Annex A of this part of ISO 8007 is for information only ili