ISO 15181-6 INTERNATIONAL STANDARD First edition 2012-07-15 Paints and varnishes Determination of release rate of biocides from antifouling paints - Part 6: Determination of tralopyril release rate by quantitation of its degradation product in the extract Peintures etvernis-Determination dutauxdelixiviationdes biocides contenusdans lespeinturesantisalissures- Partie 6: Calcul du taux de lixiviation du tralopyril par quantitation desonproduitdedegradation dans I'extrait ERIE Referencenumber SO IS0 15181-6:2012(en) Copyright Intermational Organization for Standardizatior license from IHS Not for Resale @ISO2012 IS015181-6:2012(en) COPYRIGHTPROTECTEDDOCUMENT ISO 2012 Aleaightedresawiebitmlesbathoathwiseispbcifingphotocqpyingfahispubalkioitianwithbutpepnisbiondrowuttling ifromaoynithentshbyany address below or ISo's member body in the country of the requester. ISOpostale.56 ficeCH-1211Geneva20 Ter+4P227490111 Fax + 4122 749 09 47 Published in Switzerland CoyrightntemafinalOrganizatonfStandardization IHS unde No reproduction or networking permited without license from IHS Not for Resale IS015181-6:2012(en) Contents Page Foreword iv Iptroduction. V Scope 2 Normative references 1 3 Principle 1 4 Supplementary information 2 5 Apparatus. 2 6 Reagents and materials 7 Test samples 3 8 Preparation of calibration standards 3 8.1 General. 8.2 Stock solutionA 3 3 8.3 Preparation of 9 Recovery and conversion check standards 4 9.1 General 9.2 Stock solution C 4 9.3 Preparation of 10 Procedure. 5 10.1 General 5 10.2 Sampletreatment 5 10.3 Itemaeatipcalibrationchromatography eluent: 5 10.5 Conversionand recoverydetermination .6 11 10.6 Sampledetermination 6 Calculation and expression of results .6 11.1 Calculationofthetralopyril concentration 11.2 Release ratefor each test cylinder .7 11.3 Meamuladlieastradteyoileabtaset.of.three.cylinders .8 11.5 Mean tralopyril releaserate 8 12 11.6 Pseudo-steady-statemeantralopyrilreleaserate. 9 Validation of the method 9 13 Test report. 9 Annex A (normative) Supplementary information .11 Annex B (informative)Additional information on tralopyril and BCCPCA .12 Bibliography .14 Copyright Intemational Organization for Standardizatior ii Not for Resale IS015181-6:2012(en) Foreword Iso (the International Organization for Standardization) is a worldwidefederation of national standards thudiegh(Iso techmioet boabiasiftasewofkahf pitepbringbodyInitteresitedaihStandebjdstisfonowhidhycarrtiechaital committeehas been established has the right tobe represented on that committee.International organizations,governmentaland non-governmental, in liaison with IsO,alsotakepartinthe work. ISO collaborates closely with the electrotechnical standardization.International Electrotechnical Commission (IEC) on all matters of International Standards are drafted in accordance with the rules given in the ISo/IEC Directives, Part 2. 3tanmainstaakpfedechnical teshniabescommitteesprepare Interietedal StarfhgrebarBrafernatfonpting PublicationasanInternational Standardrequiresapprovalbyatleast75%of thememberbodies casting a vote. Aatentionrights.lfawrtshthe hetbeldibiltlyatespmesibltherelaentsifg angltishchideatereht mhyrights.the subject of IS015181-6 was prepared by Technical CommitteeISO/TC35, Paints and varnishes, Subcommittee SC 9 Generaltestmethodsforpaintsandvarnishes. Is0 15181 consists of thefollowingparts, under the general title Paints and varnishes-Determination of release rateof biocides fromantifoulingpaints: Part1:Generalmethodforextractionofbiocides Part2:Determination ofcopper-ion concentration intheextractandcalculationofthereleaserate - Pthec3ncelationofofethyleriethbhylenfrhieattHftcarbamate) (zineb) release rate by determination of Pafte Pelegfirtlon of pyridine-triphenylborane (PTPB) concentration in the extract and calculation - PafidsmethxltaldlsufeneidsiypiMaTidanddinwthprlaheuylaufsenide bpMsehinitheixtsgete concentration Part6:Determinationoftralopyril releaseratebyquantitationofitsdegradationproductintheextra