Designation:D1695−07(Reapproved2019)StandardTerminologyofCelluloseandCelluloseDerivatives1ThisstandardisissuedunderthefixeddesignationD1695;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisterminologystandardcontainsterms,definitionofterms,descriptionsofterms,nomenclature,andexplanationsofacronymsandsymbolsspecificallyassociatedwithstandardsunderthejurisdictionofASTMCommitteeD01onPaintandRelatedCoatings,Materials,andApplications;SubcommitteeD01.36onCelluloseandCelluloseDerivatives.1.2Thisterminologyisdividedintothreeclassesasfol-lows:SectionCellulosicMaterialsandConstituents3.1ChemicalModificationsandDerivativesofCellulose3.2PropertiesofCelluloseandAssociatedConceptsthatareapplicabletobothSections3.1and3.23.31.3Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ThenumerousASTMStandardstowhichthisstandardappliesarefoundintheAnnualBookofASTMStandards,Vol06.03.2.2TAPPIStandards:2TAPPIMethodT203om-93Alpha-,Beta-andGamma-CelluloseinPulp3.Terminology3.1CellulosicMaterialsandConstituentsacetylationpulps—pulpsusedinthemanufactureofcelluloseacetateorotheresters,andsubjecttovariousspecificationsbythemanufacturers,includingthoseofpurity,moisturecontent,sheetproperties,andviscosity.alpha-cellulose—(1)Historically,atermusedtoindicatethepure,relativeundegradedcellulosefoundinpulps.(2)Alpha-cellulosecontentisoftenmeasuredbyTAPPIMethodT203om-93wherealpha-celluloseisthatportionofthepulpwhichdoesnotdissolveunderthetestconditions.alphapulps—seechemicalcellulose.araban—apentosanyieldingessentiallyonlyarabinose...
