Designation:D6406−99(Reapproved2020)StandardTestMethodforAnalysisofSugarinVegetableTanningMaterials1ThisstandardisissuedunderthefixeddesignationD6406;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversdeterminingthesugarspresentinvegetabletanningmaterials.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesafterSIunitsareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D4901PracticeforPreparationofSolutionofLiquidVeg-etableTanninExtractsD4905PracticeforPreparationofSolutionofSolid,PastyandPowderedVegetableTanninExtractsD6401TestMethodforDeterminingNon-TanninsandTan-nininExtractsofVegetableTanningMaterialsD6403TestMethodforDeterminingMoistureinRawandSpentMaterialsD6404PracticeforSamplingVegetableMaterialsContain-ingTanninD6405PracticeforExtractionofTanninsfromRawandSpentMaterialsD6408TestMethodforAnalysisofTanneryLiquors2.2ALCAMethods:A30SugarinTanningMaterials33.Terminology3.1Definitions:3.1.1dextrose—d-glucose.3.1.2glucose—asimplesugarwithformulaC6H12O6,andknowntoexistind-,l-,andracemicforms.Thetermcommonlyreferstothesweet,colorless,water-solubledextro-rotatoryformthatoccurswidelyinnatureandistheusualforminwhichcarbohydrateis...
