1、Designation:D513609(Reapproved 2013)Standard 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 parent
2、heses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This specification covers high purity p-Xylene.1.2 The following applies to all specified limits in thisspecification:for purposes of determining conforma
3、nce withthis specification,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.
4、No other units of measurement are included in thisstandard.1.4 Consult current OSHA regulations,suppliers MaterialSafety Data Sheets,and local regulations for all materials usedin this specification.2.Referenced Documents2.1 ASTM Standards:2D850 Test Method for Distillation of Industrial AromaticHyd
5、rocarbons and Related MaterialsD1209 Test Method for Color of Clear Liquids(Platinum-Cobalt Scale)D3437 Practice for Sampling and Handling Liquid CyclicProductsD5386 Test Method for Color of Liquids Using TristimulusColorimetryD5917 Test Method for Trace Impurities in MonocyclicAromatic Hydrocarbons
6、 by Gas Chromatography andExternal CalibrationD7183 Test Method for Determination 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 NumberE29 Pr
7、actice for Using Significant Digits in Test Data toDetermine Conformance with Specifications2.2 Other Document:OSHA Regulations,29 CFR paragraphs 1910.1000 and1910.120033.Properties3.1 High purity p-Xylene shall conform to the followingrequirements:ASTMPropertySpecificationTest MethodAPurity,Bmin,we
8、ight%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 hydrocarbons,max,weight%0.20D5917 or D7504AppearanceC.Color,max,Pt/Co scale10D1209 or
9、D5386Distillation 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 should agree on thereferee method.BPurity,molar%,minimum,will be specified when the freeze point procedureunder development is completed.CClear
10、 liquid free of sediment and haze when observed at 18.3 to 25.6C.4.Sampling4.1 The material shall be sampled in accordance withPractice D3437.5.Keywords5.1 p-Xylene1This specification is under the jurisdiction of ASTM Committee D16 onAromatic Hydrocarbons and Related Chemicals and is the direct resp
11、onsibility ofSubcommittee D16.01 on Benzene,Toluene,Xylenes,Cyclohexane and TheirDerivatives.Current edition approved July 1,2013.Published July 2013.Originally approvedin 1990.Last previous edition approved in 2009 as D5136 09.DOI:10.1520/D5136-09R13.2For referenced ASTM standards,visit the ASTM we
12、bsite,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,Wash
13、ington,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 SUMMARY OF CHANGESCommittee D16 has identified the location of selected changes to t
14、his standard since the last issue(D5136-07)that may impact the use of this standard.(Approved June 1,2009.)(1)Added test method for composition,D7504.Deleted testmethod for composition D3798 as it is no longer beingmaintained.ASTM International takes no position respecting the validity of any patent
15、 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 an
16、y 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 of this standard or for additional standardsand should be addressed to ASTM International Headquarters.Your comments will receive careful consideration at a meeting of theresponsible technical committee,which you may attend.If you feel that your comments have not received a fair hearing you shouldmake your views known t
