Designation:D5896−96(Reapproved2019)´1StandardTestMethodforCarbohydrateDistributionofCellulosicMaterials1ThisstandardisissuedunderthefixeddesignationD5896;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—Section8.1waseditoriallyupdatedinDecember2019.1.Scope1.1Thistestmethodcoversthedeterminationofthecarbo-hydratecompositionofcellulosicmaterialssuchasgroundwoodmeal,chemicallyrefinedpulp,mechanicalpulps,brownstocks,andplantexudates(gums)byionchromatogra-phy.Thistestmethodissuitableforrapid,routinetestingoflargenumbersofsampleswithhighaccuracyandprecision.Forareviewofthistechnique,seeLee(1).21.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.Forhazardstatement,seeSection8.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:3D1193SpecificationforReagentWaterD1695TerminologyofCelluloseandCelluloseDerivatives3.Terminology3.1Forstandardterminologyofcelluloseandcellulosederivatives,seeTerminologyD1695.3.2Abbreviations:3.2.1IC—ionchromatography,3.2.2SPE—solidphaseextraction,3.2.3PAD—pulsedamperometricdetector,3.2.4PED—pulsedelectrochemicaldetector,3.2.5mM—millimolar.4.SummaryofTestMethod4.1ICanalysisofcellulosicsrequiresthefollowingopera-tions:(1)samplepreparation,(2)totalhydrolysis...
