1、Designation:D84319Standard Specification forNitration Grade Xylene1This standard is issued under the fixed designation D843;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 nitration grade xylene.1.2 The following applies to all specified limits in thisstandard:for purposes of determining conformance with thisstandard
3、,an observed value or a calculated value shall beround off“to the nearest unit”in the last right-hand digit usedin expressing the specification limit,in accordance with theround-off method of Practice E29.1.3 The values stated in SI units are to be regarded asstandard.The values given in parentheses
4、 are for informationonly.1.4 Consult OSHA regulations,suppliers Safety DataSheets,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 established in the Decision
5、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:2D848 Test Method for Acid Wash Color of Industrial Aro-matic HydrocarbonsD849 Test Method
6、for Copper Strip Corrosion by IndustrialAromatic HydrocarbonsD850 Test Method for Distillation of Industrial AromaticHydrocarbons and Related MaterialsD3437 Practice for Sampling and Handling Liquid CyclicProductsD5386 Test Method for Color of Liquids Using TristimulusColorimetryD7504 Test Method fo
7、r Trace Impurities in MonocyclicAromatic Hydrocarbons by Gas Chromatography andEffective Carbon NumberD8005 Test Method for Color of Clear Liquids(Platinum-Cobalt Scale)E29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE2680 Test Method for Appearance
8、of Clear,TransparentLiquids(Visual Inspection Procedure)2.2 Other Document:OSHA Regulations,29 CFR paragraphs 1910.1000 and1910.120033.Properties3.1 Nitration grade xylene shall conform to the followingrequirements:PropertySpecificationASTM TestMethodANonaromatic hydrocarbons,max,volume%4.0D7504Acid
9、 wash color,maxpass with 6D848Copper corrosionpass(1A or 1B)D849Appearance,free of haze,particulatesor suspended matter particlespassE2680Color,Pt/Co scale,max20D5386 orD8005Distillation range at 101.3 kPa(760 mm Hgpressure),max,C5D850Initial distillation temperature,min,C137D850Dry point,max,C143D8
10、50AIf more than one method is listed,the producer and user should agree on thereferee method.4.Sampling4.1 The material shall be sampled in accordance withPractice D3437.5.Keywords5.1 xylene1This specification is under the jurisdiction of ASTM Committee D16 onAromatic,Industrial,Specialty and Relate
11、d 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 1945.Last previous edition approved in 2018 as D843 18.DOI:10.1520/D0843-19.2For reference
12、d 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
13、.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 principles on standardization
14、 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 ASTM International takes no position respecting the validity of any patent rights asserted in connect
15、ion 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 t
16、echnical 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 to the ASTM Committee on Sta
