Designation:D2812−07(Reapproved2012)StandardTestMethodforNon-LintContentofCotton1ThisstandardisissuedunderthefixeddesignationD2812;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationofthenon-lintcontentofcottonusingtheShirleyAnalyzer.Thecottonmaybeintheformof(1)rawstock,thatis,cottonfiberthathasbeenseparatedfromtheseedbyginning;(2)partiallypro-cessedcotton,suchaspickerlaporsliver;or(3)ginningorprocessingwaste,suchasobtainedfromginning,openingandcleaning,picking,carding,orcombingmachines.1.2Thistestmethodisespeciallyadaptedfordeterminingnon-lintcontentofcottonbyuseoftheShirleyAnalyser.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection7.2.ReferencedDocuments2.1ASTMStandards:2D123TerminologyRelatingtoTextilesD1441PracticeforSamplingCottonFibersforTestingD7139TerminologyforCottonFibers3.Terminology3.1ForallterminologyrelatingtoD13.11,CottonFibers,refertoTerminologyD7139.3.1.1Thefollowingtermsarerelevanttothisstandard:foreignmatter,invisiblewaste,lint,lintcontent,non-lintcontent,visiblewaste.3.2Forallotherterminologyrelatedtotextiles,refertoTerminologyD123.4.SummaryofTestMethod4.1Aknownmassofrawcotton,partiallyprocessedcotton,orwasteisfedintothemachine.Themachine,operatingonmechanical-pneumaticprinciples,separatestheforeignmatterfromthecottonanddischargesthenon-lintparticlesandlintintoseparatechambers.4.2Theamountsoflintandnon-lintrecoveredarecalcu-latedasapercentageoftheoriginalspecimenmass...
