ASTM_D_850_-_11.pdf

Designation:D85011Standard Test Method forDistillation of Industrial Aromatic Hydrocarbons and RelatedMaterials1This standard is issued under the fixed designation D850;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 test method covers the distillation of industrialaromatic hydrocarbons and related materials of relativelynarrow boiling ranges from 30 to 250C.1.2 The values stated in SI units are to be regarded as thestandard.The values given in parentheses are for informationonly.1.3 The following applies to all specified limits in this testmethod:for the purposes of determining conformance to thistest method,an observed or calculated value shall be roundedoff“to the nearest unit”in the last right-hand digit used inexpressing the specification limit,in accordance with therounding-off method of Practice E29.1.4 WarningMercury has been designated by EPA andmany state agencies as a hazardous material that can causecentral nervous system,kidney and liver damage.Mercury,orits vapor,may be hazardous to health and corrosive tomaterials.Caution should be taken when handling mercury andmercury-containing products.See the applicable product Ma-terial Safety Data Sheet(MSDS)for details and EPAs website(http:/www.epa.gov/mercury/faq.htm)for additional informa-tion.Users should be aware that selling mercury or mercury-containing products,or both,in your state may be prohibited bystate law.1.5 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.For specific hazardstatements,6.6.1 and Section 7.2.Referenced Documents2.1 ASTM Standards:2D1078 Test Method for Distillation Range of Volatile Or-ganic LiquidsD3437 Practice for Sampling and Handling Liquid CyclicProductsD4790 Terminology of Aromatic Hydrocarbons and RelatedChemicalsE1 Specification for ASTM Liquid-in-Glass ThermometersE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE133 Specification for Distillation EquipmentE220 Test Method for Calibration of Thermocouples ByComparison TechniquesE691 Practice for Conducting an Interlaboratory Study toDetermine the Precision of a Test Method2.2 Other Document:OSHA Regulations,29 CFR paragraphs 1910.1000 and1910.120033.Terminology3.1 Definitions:3.1.1 See Terminology D4790 for definitions of terms usedin this test method.4.Summary of Test Method4.1 The distillation of a 100-mL sample of industrial aro-matic hydrocarbons and related materials is carried out via acarefully controlled distillation wherein temperature readingsare noted for the first drop of distillate and when 5,10,and1This test method is under the jurisdiction of ASTM Committee D16 onAromatic Hydrocarbons and Related Chemicals and is the direct responsibility ofSubcommittee D16.04 on Instrumental Analysis.Current edition approved July 1,2011.Published July 2011.Originally approvedin 1945.Last previous edition approved in 2008 as D850 03(2008)1.DOI:10.1520/D0850-11.2For 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.3Available from U.S.Government Printing Office Superintendent of Documents,732 N.Capitol St.,NW,Mail Stop:SDE,Washington,DC 20401,http:/www.access.gpo.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 States1 each additional 10 up to 90,and 95%of the sample hasdistilled over.The temperature corresponding to the dry pointis also noted.5.Significance and Use5.1 This test method is suitable for setting specifications,foruse as an internal quality control tool,and for use in develop-ment or research work on industrial aromatic hydrocarbons andrelated materials.5.2 This test method gives a broad indication of generalpurity and can also indicate presence of excessive moisture.Itwill not differentiate between products of similar boiling range.6.Apparatus6.1 Distillation FlaskA standard 200-mL side-tube,heat-resistant glass distillation flask as shown in Fig.1,conformingto the following dimensions:Diameter of bulb,outside,mm76 1.5Diameter of neck,inside,mm21 1Height of flask,outside,mm179 3Vertical distance from bottom of bulb outside tobottom of vapor-tube opening in neck,mm120 3Length of side tube,mm100 3Diameter of side tube,outside,mm7 0.5Angle of s