Designation:D346/D346M−11(Reapproved2019)´1StandardPracticeforCollectionandPreparationofCokeSamplesforLaboratoryAnalysis1ThisstandardisissuedunderthefixeddesignationD346/D346M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—EditorialchangesweremadethroughoutinOctober2019.INTRODUCTIONCoke,especiallyrunofovencokeorfoundrycoke,orboth,isadifficultmaterialtosample.Itisimperativethateverysamplebecollectedandhandledcarefullyandconscientiouslyandinstrictaccordancewiththestandardproceduredescribedherein.Grosssamplesofnotlessthanthequantitiesdesignatedinthispracticemustbetaken,whetherthecoketobesampledconsistsofafewtonsorseveralhundredtons.1.Scope1.1Thispracticecoversproceduresforthecollectionandreductionofsamplesofcoketobeusedforphysicaltests,chemicalanalyses,andthedeterminationoftotalmoisture.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemarenotnecessarilyexactequivalents;therefore,toensureconformancewiththestandard,eachsystemshallbeusedindependentlyoftheother,andvaluesfromthetwosystemsshallnotbecombined.1.2.1ValuesinSIunits[orinch-poundunits]shallbeobtainedbymeasurementinSIunits[orinch-poundunits]orbyappropriateconversion,usingtheRulesforConversionandRoundinggiveninIEEE/ASTMSI10,ofmeasurementsmadeinSIunits[orotherunits].ValuesarestatedinSIunitswheninch-poundunitsarenotusedinpractice.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevel...
