ASTM_D_1555_-_16.pdf

Designation:D155516Standard Test Method forCalculation of Volume and Weight of Industrial AromaticHydrocarbons and Cyclohexane1This standard is issued under the fixed designation D1555;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope*1.1 This standard is for use in calculating the weight andvolume of benzene,toluene,mixed xylenes,styrene,ortho-xylene,meta-xylene,para-xylene,cumene,ethylbenzene,300to 350F and 350 to 400F aromatic hydrocarbons,andcyclohexane.A method is given for calculating the volume at60F from an observed volume at tF.Table 1 lists the densityin Vacuo at 60F for chemicals used to develop the relation-ship.Densities(or weights)“in vacuo”represent the truedensity(or weight)if measured in a vacuum without thebuoyancy effect of air acting on the liquid.It is representativeof the actual amount of product present.Densities(or weights)“in air”represent what would actually be measured on a scale.The difference is on the order of 0.13%.Modern densitometersmeasure density in vacuo and the ASTM recommends the useof in vacuo densities(or weights).1.2 The values stated in inch-pound units are to be regardedas standard.No other units of measurement are included in thisstandard.1.2.1 A complete SI unit companion standard has beendeveloped in Test Method D1555M.1.3 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D1217 Test Method for Density and Relative Density(Spe-cific Gravity)of Liquids by Bingham PycnometerD1555M Test Method for Calculation of Volume and Weightof Industrial Aromatic Hydrocarbons and CyclohexaneMetricD3505 Test Method for Density or Relative Density of PureLiquid ChemicalsD4052 Test Method for Density,Relative Density,and APIGravity of Liquids by Digital Density Meter2.2 Other Documents:American Petroleum Society Research Project 443Patterson,J.B.,and Morris,E.C.Metrologia,31,1994,pp.277-288NSRDS-NIST 75-121 TRC Thermodynamic TablesHydrocarbons,Supplement No.121,April 30,200143.Significance and Use3.1 This test method is suitable for use in calculatingweights and volumes of the products outlined in Section 1.Theinformation presented in this method can be used for deter-mining quantities of the above-stated aromatic hydrocarbons intanks,shipping containers,etc.4.Basic Data4.1 Densities of materials should be determined by mea-surement(see Section 7).Densities of pure materials at 60Fmay be estimated from densities furnished by NSRDS-NIST75-121(National Standard Reference Data SeriesNationalInstitute of Standards and Technology).4.2 The VCF(Volume Correction Factor)equations pro-vided below were derived from the Volume Correction Tablespresented in the previous edition of this standard,MethodD1555-95.Although reported as based on the AmericanPetroleum Institute Research Project 44,the actual documen-tation that could be found is incomplete.As regression of the1This test method is under the jurisdiction of ASTM Committee D16 onAromatic Hydrocarbons and Related Chemicals and is the direct responsibility ofSubcommittee D16.01 on Benzene,Toluene,Xylenes,Cyclohexane and TheirDerivatives.Current edition approved Nov.1,2016.Published March 2017.Originallyapproved in 1957.Last previous edition approved in 2009 as D1555 09.DOI:10.1520/D1555-16.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3“Selected Values of Properties of Hydrocarbons and Related Compounds,”prepared by American Petroleum Institute Research Project 44 at the ChemicalThermodynamics Center,Department of Chemistry,Texas A&M,College Station,TX.4Available from National Institute of Standards and Technology(NIST),100Bureau Dr.,Stop 1070,Gaithersburg,MD 20899-1070,http:/www.nist.gov.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 NIST data(Appendix X1)provided VCFs that differ from thehistorical VCFs by only 0 to 6 0.12%(