Designation:D1624–71(Reapproved2000)StandardSpecificationforAcidCopperChromate1ThisstandardisissuedunderthefixeddesignationD1624;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversacidcopperchromate,eitherinthesolidgranulatedform,orinsolution,foruseinthepreservativetreatmentofwood.2.ReferencedDocuments2.1ASTMStandards:D1627TestMethodforChemicalAnalysisofAcidCopperChromate22.2OtherStandard:AWPAP5StandardsforWaterbornePreservatives33.CompositionandProperties3.1Acidcopperchromateinsolidformortreatingsolutionshallhavethefollowingcomposition,subjecttothespecifiedlimits:MinimumNominalCopper,calculatedasCuO,%28.031.8Chromium,calculatedasCr2O3,%63.368.23.2Thepreservativeortreatingsolutionmaybemadeupofwater-solublecompoundsselectedfromthefollowinggroup:Bivalentcopper—forexample,coppersulfate,basiccoppercarbonate,copper-oxideHexavalentchromium—forexample,potassiumorsodiumdichromate,chro-miumtrioxide3.3Ifdichromateisusedastheprincipalsourceofchro-mium,eitherchromicacidoraceticacidmaybeusedtoadjustthepHoftreatingsolutiontoconformto3.4.3.4pH—ThepHofatreatingsolutionshallbenotlessthan2.0normorethan4.2.4.ChemicalAnalysis4.1ThematerialanditssolutionsshallbeanalyzedinaccordancewithMethodsD1627.5.Keywords5.1acidcopperchromateASTMInternationaltakesnopositionrespectingthevalidityofanypatentrightsassertedinconnectionwithanyitemmentionedinthisstandard.Usersofthisstandardareexpresslyadvisedthatdeterminationofthevalidityofanysuchpatentrights,andtheriskofinfringementofsuchrights,areentirelytheirownresponsibility.Thisstandardissubjecttorevisionatanytimebytheresponsibletechnicalcommitteeandmustbereviewedeveryfiveyearsandifnotrevised,eitherreapprovedorwithdrawn.Yourcommentsareinvitedeitherforrevisionofthisstandardorforadditionalstandardsandshouldbeaddre...
