Designation:D3627–96(Reapproved2000)StandardTestMethodforColorofCresylicAcids(“C”SeriesStandards)1ThisstandardisissuedunderthefixeddesignationD3627;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationofthecolorofcresylicacids.Thematerialundertestiscomparedtoarbitrarycolorstandardsthatareexpressedintermsofthe“C”seriescolorstandards.21.2Thefollowingappliestoallspecifiedlimitsinthistestmethodforpurposesofdeterminingconformancewiththisstandard.Anobservedvalueoracalculatedvalueshallberoundedoff“tothenearestunit”inthelastrighthanddigitusedinexpressinglimit,inaccordancewiththeroundingoffmethodofPracticeE29.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection6.2.ReferencedDocuments2.1ASTMStandards:D1193SpecificationforReagentWater3D3852PracticeforSamplingandHandlingPhenolandCresylicAcid4E29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecifications52.2OtherDocument:OSHARegulations,29CFR,paragraphs1910.1000and1910.120063.SignificanceandUse3.1Colorisanimportantcharacteristicincertaintaraciduseapplications.Thistestmethodmaybeusedforqualitycontrolandspecificationpurposesbyproducersandusers.4.Apparatus4.1BottlesforColorStandardsandforTesting,clearandunblemished,clean,Frenchsquare,flintglass,flat-bottom,glass-stoppered,30-mL(1-oz)capacitybottlesholding31to33mLwhenfilledtotheneck.5.Reagents5.1PurityofReagents—Reagentgradechemicalsshallbeusedinalltests.Unlessotherwiseindicated,itisintendedthatallreagentsshallconformtothespecificationsoftheCommit-teeonAnalyticalReagentsoftheAmeri...
