Designation:D2766−95(Reapproved2009)StandardTestMethodforSpecificHeatofLiquidsandSolids1ThisstandardisissuedunderthefixeddesignationD2766;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope1.1Thistestmethodcoversthedeterminationoftheheatcapacityofliquidsandsolids.Itisapplicabletoliquidsandsolidsthatarechemicallycompatiblewithstainlesssteel,thathaveavaporpressurelessthan13.3kPa(100torr),andthatdonotundergophasetransformationthroughouttherangeoftesttemperatures.Thespecificheatofmaterialswithhighervaporpressurescanbedeterminediftheirvaporpressuresareknownthroughouttherangeoftesttemperatures.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D1217TestMethodforDensityandRelativeDensity(Spe-cificGravity)ofLiquidsbyBinghamPycnometer3.Terminology3.1DefinitionsofTermsSpecifictoThisStandard:3.1.1specificheat—theratiooftheamountofheatneededtoraisethetemperatureofamassofthesubstancebyaspecifiedamounttothatrequiredtoraisethetemperatureofanequalmassofwaterbythesameamount,assumingnophasechangeineithercase.3.2Symbols:Tf=temperatureofhotzone,°C,Tc=initialtemperatureofcalorimeter,°C,T8=Tf−Tc=temperaturedifferential,°C,R1=resistanceofnominal1-Vstandardresistor,R100=resistanceofnominal100-Vstandardresistor,R10000=resistanceofnominal10000-Vstandardresistor,E1=emfacrossnominal1-Vstandardresistor,E100=emfacrossnominal100-Vstandardresistor,E10000=emfacrossnominal10000-Vstandar...
