【英文标准名称】:StandardTestMethodforDeterminationofOrganicBiocideReleaseRateFromAntifoulingCoatingsinSubstituteOceanWater
【原文标准名称】:从防污涂层测定替代海洋水中有机生物杀菌剂投放率的标准试验方法
【标准号】:ASTMD6903-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D01.45
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:防污漆;生物杀菌剂;覆层;测定;海洋;有机的;有机覆层;投放;海水;替代;测试;水
【英文主题词】:antifoulingcoating;copperpyrithione(CuPT);N-cyclopropyl-N-(1,1-dimethylethyl)-6-(methylthio)-1,3,5-triazine-2,4-diamine(CDMTD);organicbiocide;releaserate;zincpyrithione(ZPT);4,5-dichloro-2-n-octylisothiazolin-3-one(DCOIT)
【摘要】:1.1Thistestmethodcoversthelaboratorydeterminationoftherateatwhichorganicbiocideisreleasedfromanantifoulingcoatingexposedinsubstituteoceanwater.ThetestisrunentirelyinthelaboratoryundercontrolledconditionsofpH,temperature,salinity,andhydrodynamics.Analyticalproceduresareprovidedforthedeterminationofthereleaserateof4,5-dichloro-2-n-octylisothiazolin-3-one(DCOIT),zincandcopperpyrithione(ZPTandCuPT),andN-cyclopropyl-N-(1,1-dimethylethyl)-6-(methylthio)-1,3,5-triazine-2,4-diamine(CDMTD).Atpredeterminedintervals,substituteoceanwatersamplesareanalyzedforleachedbiocideusingasuitableanalyticaltechnique.1.2Incasesinwhichtheantifoulingcoatingcontainsbothanorganicbiocideandacopper-basedbiocide,thereleaserateofcoppermayoptionallybeconcurrentlydeterminedaccordingtotheprocedurefoundinTestMethodD6442.1.3Theprocedurecontainsthepreparationstepsforthedeterminationofthereleaserateofbiocideinsubstituteoceanwaterfromantifoulingpaintsincludingapparatus,reagents,holdingtankconditions,andsamplingpointdetails.TheprocedurecallsfortheaccuratedeterminationoforganicbiocideconcentrationsinsubstituteoceanwateratthelowgL-1(partsperbillion,ppb)level.Todetectandcorrectforreagentimpuritiesandallowasuitablelevelofanalyticalprecisiontobeachieved,theanalyticalmethodtobeusedforthedeterminationoftheconcentrationoforganicbiocideinsubstituteoceanwatermustmeettheacceptabilitycriteriagiveninAnnexA2.WhereAnnexA2specifiesalimitofquantitation(LOQ),theprocedurefordeterminingtheLOQfortheorganicbiocideinsubstituteoceanwaterbytheanalyticalmethodpresentedinistobefollowed.1.4Suitableanalyticalmethodsthatusehigh-performanceliquidchromatography(HPLC)fordeterminingtheconcentrationofDCOIT,ZPTandCuPT,andCDMTDinsubstituteoceanwateraregiveninAppendixX1-AppendixX3,respectively.OthermethodsmaybeusedprovidedthattheymeettheappropriatecriteriagiveninAnnexA2.1.5Whenthereleaserateofahighlyphotosensitiveorganicbiocideisbeingdetermined,stepsmustbetakentoprotecttheapparatusandsamplesfromexposuretonaturalandartificialvisiblelightsources.AnysuchrequirementforthesestepstobetakenforaparticularbiocideisindicatedinAnnexA2.1.6Thepracticallimitsforquantifyingbiocidereleaseratesbythismethodarefrom4.5to500gcm-2d-1forDCOIT,0.36to500gcm-2d-1forCuPT,0.36to500gcm-2d-1forZPT,and2.7to500gcm-2d-1forCDMTD.Theserangesmaybeextendedto3.8to500gcm-2d-1forDCOIT,0.16to500gcm-2d-1forCuPT,0.2to500gcm-2d-1forZPT,and2.2to500gcm-2d-1forCDMTDiftheproceduresdescribedin(asappropriate)arefollowed.ThequantitationofreleaserateslowerthantheserangeswillrequiretheuseofanalyticalmethodswithlowerlimitsofquantitationthanthosespecifiedinAnnexA2.1.7Theresultsofthistestmethoddonotreflectenvironmentalbiocidereleaseratesforantifoulingproducts,andarenotsuitablefordirectuseintheprocessofgeneratingenvironmentalriskassessments,environmentalloadingestimates,orforestablishingreleaseratelimitsforregulatorypurposes.SeealsoSection4.1.8ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.9Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminethea......
【中国标准分类号】:G51
【国际标准分类号】:25_220_60
【页数】:21P.;A4
【正文语种】: