(Iso 6713 International Standard INTE RNATIONAL ORGANIZATION FOR STANDARDIZATION MEXIYHAPOAHAA OPrAHM3AUMA HO CTAHAAPTM3AUMW+ORGANISATION INTERNATIONALE DE NORMALISATION ANsI Iniernat Doc Sect Paints and varnishes Preparation of acid extracts from paints in liquid 'or powder form Peintures et vernis - Preparation des extraits acides des peintures liquides ou en poudre Second edition - 1984-11-15 UDC 667.6 : 543.05 Ref. No. 1SO 6713-1984 (E) Price based on 6 pages nsefromIHS Foreword ISo (the International Organization for Standardization) is a worldwide federation' of national standards bodies (IsO 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 the right to be represented on that committee. international organizations, govern- mental and non-governmental, in liaison with Iso, also take part in the work. Draft International Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by least 75 % approval by the member bodies voting. International Standard ISO 6713 was prepared by Technical Committee ISO/TC 35, Paints andvarnishes. edition, of which it constitutes a technical revision. @ International Organization for Standardization, 1984 Printed in Switzerland ii Copyright International Organization for Standardization nsefromIHS Not for Resale Contents Page Introduction Scope and field of application References 2 Definitions 3 3.1 Pigment, 3.2"Soluble" metal content of liquid paint 3.3"Soluble" metal content of paint in powder form 4 Principle .. 5 Sampling Separation of the pigment from the liquid paint sample 6 2 Preparation of the test sample 6.1 2 6.2 Reagents 2 6.3 Apparatu 2 6.4Procedure 2 6.4.1 Method A (for solvent-thinned paints, printing inks and similar products) . 2 6.4.2 Method B (for emulsion paints based on aqueous polymer dispersions). 3 6.4.3 Method C [for plastisols and organosols based on polyvinyl chloride (PvC) and its copolymers and for paints based on other non-aqueous polymer dispersions] . 3 6.5 Blank test solution 3 7 Treatment of paints in powder forr 3 8 . Acid extraction of the separated pigment and of paints in powder form 8.1 Treatment of the separated pigment 3 8.2 Method for the acid extraction of "soluble" metals [including lead when the total lead content of the paint is less than 1 % (m/m) (mass : volume ratio 1 : 15) . ili Not for Res