Designation:D5653–95(Reapproved2000)StandardSpecificationforCopperDimethyldithiocarbamate1ThisstandardisissuedunderthefixeddesignationD5653;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThevaluesstatedinSIunitsaretoberegardedasthestandard.2.ReferencedDocuments2.1AWPAStandards:AWPAA9AnalysisofTreatedWoodandTreatingSolu-tionsbyX-RaySpectroscopy2AWPAA25MethodofAnalysisofCopperDimethyldithio-carbamate(CDDC)TreatedWoodbyColorimetry23.CompositionandProperties3.1Copperdimethyldithiocarbamate(CDDC),formedinthewood,shallbeareactionproductresultingfromthedualtreatmentoftwoseparatetreatingsolutions,thefirsttreatingsolutioncontainingbivalentcopperethanolamine(2-aminoethanol)andthesecondtreatingsolutioncontainingsodiumdimethyldithiocarbamate.3.2TheanalyticalcompositionofthecomponentspresentinthetwotreatingsolutionsshallbemaintainedatconcentrationsthatwillresultinthetreatedwoodretainingaverageweightratiosofcomponentsvaryingwithinthelimitsspecifiedinTable1.3.3Thetreatingsolutionusedforthefirsttreatmentofthedualtreatmentshallcontainbivalentcopperderivedfromcopperethanolaminecomplexdissolvedinwater.Theweightratioofethanolaminetobivalentcopperinthecopperethano-laminetreatingsolutionshallbeaminimumof1.70andtheresultingcomplexshallbecompletelywatersolubleat5°C.3.4Thebivalentcoppersourcemaybecuprichydroxide,cupricoxide,basiccupriccarbonate,orothercoppersourcesotherthancupricsaltsofmineralacids.Thepurityshallbeinexcessof95%onananhydrousbasis.3.5Thetreatingsolutionusedforthesecondtreatmentofthedualtreatmentshallcontainsodiumdimethyldithiocarbam-atedissolvedinwater.Sodiumdimethyldithiocarbamateshallbederivedfrommaterialinexcessof95%purityonananhydrousbasis.3.6Thecommercialpreservativecomponentsforeachofthetreatmentsshallbelabeledastotheirtotalcontentofactiveingredients...
