1、Designation:D513619Standard Specification forHigh Purity p-Xylene1This standard is issued under the fixed designation D5136;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 t
2、he year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers high purity p-Xylene.1.2 The following applies to all specified limits in thisspecification:for purposes of determining conformance withthis speci
3、fication,an observed value or a calculated value shallbe rounded off“to the nearest unit”in the last right-hand digitused in expressing the specification limit,in accordance withthe rounding-off method of Practice E29.1.3 The values stated in SI units are to be regarded asstandard.No other units of
4、measurement are included in thisstandard.1.4 Consult current OSHA regulations,suppliers SafetyData Sheets,and local regulations for all materials used in thisspecification.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization esta
5、blished in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D850 Test Method for Distillation of Industrial AromaticHydrocarbo
6、ns and Related MaterialsD3437 Practice for Sampling and Handling Liquid CyclicProductsD5386 Test Method for Color of Liquids Using TristimulusColorimetryD5917 Test Method for Trace Impurities in MonocyclicAromatic Hydrocarbons by Gas Chromatography andExternal CalibrationD7183 Test Method for Determ
7、ination of Total Sulfur inAromatic Hydrocarbons and Related Chemicals by Ultra-violet FluorescenceD7504 Test Method for Trace Impurities in MonocyclicAromatic Hydrocarbons by Gas Chromatography andEffective Carbon NumberD8005 Test Method for Color of Clear Liquids(Platinum-Cobalt Scale)E29 Practice
8、for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE2680 Test Method for Appearance of Clear,TransparentLiquids(Visual Inspection Procedure)2.2 Other Document:OSHA Regulations,29 CFR paragraphs 1910.1000 and1910.120033.Properties3.1 High purity p-Xylene shall confor
9、m to the followingrequirements:PropertySpecificationASTMTest MethodAPurity,Bmin,weight%99.7D5917 or D7504m-Xylene,max,weight%0.20D5917 or D7504o-Xylene,max,weight%0.10D5917 or D7504Sulfur,max,mg/kg1.0D7183Toluene,max,weight%0.10D5917 or D7504Ethylbenzene,max,weight%0.20D5917 or D7504Nonaromatic hydr
10、ocarbons,max,weight%0.20D5917 or D7504Appearance,free of haze,particulatesor suspended matter particlespassE2680Color,max,Pt/Co scale10D5386 or D8005Distillation range,including the temperature138.3C at 101.3 kPa(760 mm Hg)pressure,max,C1.0D850AIf more than one method is listed,the producer and user
11、 should agree on thereferee method.BPurity,molar%,minimum,will be specified when the freeze point procedureunder development is completed.4.Sampling4.1 The material shall be sampled in accordance withPractice D3437.1This specification is under the jurisdiction of ASTM Committee D16 onAromatic,Indust
12、rial,Specialty and Related Chemicals and is the direct responsi-bility of Subcommittee D16.01 on Benzene,Toluene,Xylenes,Cyclohexane andTheir Derivatives.Current edition approved Jan.1,2019.Published January 2019.Originallyapproved in 1990.Last previous edition approved in 2017 as D5136 17a.DOI:10.1
13、520/D5136-19.2For 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 Superi
14、ntendent of Documents,732 N.Capitol St.,NW,Mail Stop:SDE,Washington,DC 20401,http:/www.access.gpo.gov.Copyright 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 pr
15、inciples 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 5.Keywords5.1 p-XyleneASTM International takes no position respecting the
16、validity of any patent rights asserted in connection with any item mentionedin this standard.Users of this standard are expressly advised that determination of the validity of any such patent rights,and the riskof infringement of such rights,are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised,either reapproved or withdrawn.Your comments are invited either for revision
