-37-07ASTMD225388W0759510002qi79OAMERICANSOCIETYFORTESTINGANDMATERIALS1916RaceSt.,Philadelphia,Pa.19103ReprintedfromtheAnnualBookofASTMStandards,CopyrightASTMIfnotlistedinthecurrentcombinedindex,willappearInlhenextedition.@Designation;D2253-813StandardTestMethodforColorofRawCottonUsingtheNickerson-HunterCottonColorimeter'ThisstandardisissuedunderthefixeddesignationD2253;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(E)indicatesaneditorialchangesincethelastrevisionorreapproval.1.&ape1.1ThistestmethodcoversthecomparisonofthecolorofrawcottonwiththecoloroftheofficialcottonstandardsoftheUnitedStatesofAmericaforgradeofcottonbymeansofacottoncolorimeteroftheNickerson-Huntertype(1,2).2Itcanbeusedtomeasurethecolorofanytypeofrawcotton,butisparticularlyapplicabletoUplandandAmericanPimacottonandtocottonlinters,forwhichofficialUnitedStatesstandardshavebeenestablished.1.2Thecolorimetermaybeusedtomeasurethecolorofothermaterialsprovidedthatasuitablespecimencanbepreparedandthatthecolorofthematerialfallswithintherangeoftheinstrumentscales.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.4Thisstandardmayinvolvehazardousmaterials,oper-ations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyproblemsassociatedwithitsuse.Itistheresponsibilityofthemerofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:D123TerminologyRelatingtoTextiles3D1441PracticeforSamplingCottonFibersforTesting3D1535MethodofSpecifyingColorbytheMunsellSystem4E308MethodforComputingtheColorsofObjectsbyUsingtheCIESystem'3.Terminology3.1Definitions:3.1.1rawcotton,n-ginnedlintthathasnotbeensub-jectedtoanytextilemanufacturingprocess.3.1.2Fordefinitionsofothertextiletermsusedinthismethod,refertoTerminologyD123.3.2DescriptionsofTermsSpecifictoThisStandar...
