8391/2 International Standard (iso) ANST Y Ceramic cookware in contact with food - Release of lead and cadmium Part 2 : Permissible limits Articlesdecuissonenceramiqueencontactaveclesaliments -Emissiondeplombetdecadmium--Partie2:Limites admissibles First edition 1986-12-01 ISO 8391/2-1986 (E) UDC 642.72:666.5:614.3 Ref. No. 1ISO 8391/2-1986 (E) Descriptors : food-container contact, ceramics, kitchen utensils, maximum contents, soluble matter, lead, cadmium. Price based on 2 pages No reproduction or networking permitedwithout license from IHS Not for Resale Foreword ISo (the Internationai Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standardsis normallycarried out through ISOtechnical committees.Eachmember body interested in a subject for which a technical committee has been established has the right to be represented'on that committee. International organizations, govern- mental and non-governmental,in liaison with Iso,alsotake part inthe work. Draft International Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the ISO Council. They are approved in accordance with ISO procedures requiring at least 75 % approval by the member bodies voting. International Standard ISo 8391/2 was prepared by Technical Committee ISO/TC 166, Ceramic ware, glassware and glass ceramic ware in contact with food. Users should note that all International Standards undergo revision from time to time and that any reference made herein to any other Internationat Standard implies its latest edition, unless otherwise stated. InternationalOrganizationforStandardization,1986 Printed in Switzerland n for Standardizatior No reproduction or networking permitted without license from IHS Not for Resal ISO 8391/2-1986 (E) INTERNATIONALSTANDARD Ceramic cookware in contact with food -- Release of lead and cadmium Part 2 : Permissible limits Introduction 2 Field of application Theproblemsof lead and cadmium releasefrom cookware require effective means of control to ensure the protection of This part of ISO 8391 is applicable to ceramic cookware the popuiation against a possible health hazard. This potential intended to be used for the preparation of foods by heating. arises when improperly formulated, applied or fired glazes are applied to cookware. There is a particular concern for cookware because the normal conditions of use (heating acid foods for prolonged periods) are conducive to the extraction of soluble 3 Reference lead and cadmium into food. As a secondary consideration, the varying standards for Iso 8391/1, Ceramic cookware in contact with food - Release cookware that exist from country to country present non-tarif of lead and cadmium -- Part 1 : Method of test. barriers to international trade. Accordingly, there is a need to establish internationalty accepted methods of testing cookware for lead and cadmium release, and to define permissible limits for the extraction of these toxic metals. 4 Definition An expert panel convened by the World Health Organization For the purpose of this part of Iso 8391, the following (WHO) met (with ISO participation) in Geneva, in November definition applies. 1979, and recommended limits for the release of toxic materials from ceramic cookware for aproposed hot test method. Further, the meeting directed that the proposed method be ceramic cookware : Ceramic articles which are intended to further studied to determine ' its be heated in the preparation of foodstuffs, for example china, repeatability and reproducibility. The method specified in this part of ISO 8391 is porcelain and earthenware, but excludes glass, glass ceramic based on the WHo recommendations and subsequent and porcelain enamel articies. collaborative studies in which 14 laboratories throughout the USA, Europe and Japan participated. As the capability of the in