1、Designation:D84306(Reapproved 2011)1Standard 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 paren
2、theses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1NOTEThis standard was brought up to date with the editorial guidelines in February 2011.1.Scope*1.1 This specification covers nitration grade xylene.1.2 The followi
3、ng applies to all specified limits in thisstandard:for purposes of determining conformance with thisstandard,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
4、Practice E29.1.3 The values stated in SI units are to be regarded asstandard.The values given in parentheses are for informationonly.1.4 Consult OSHA regulations,suppliers Material SafetyData Sheets,and local regulations for all materials used in thisspecification.2.Referenced Documents2.1 ASTM Stan
5、dards:2D848 Test Method for Acid Wash Color of Industrial Aro-matic HydrocarbonsD849 Test Method for Copper Strip Corrosion by IndustrialAromatic HydrocarbonsD850 Test Method for Distillation of Industrial AromaticHydrocarbons and Related MaterialsD1209 Test Method for Color of Clear Liquids(Platinu
6、m-Cobalt Scale)D3437 Practice for Sampling and Handling Liquid CyclicProductsD5386 Test Method for Color of Liquids Using TristimulusColorimetryD6563 Test Method for Benzene,Toluene,Xylene(BTX)Concentrates Analysis by Gas ChromatographyE29 Practice for Using Significant Digits in Test Data toDetermi
7、ne Conformance with Specifications2.2 Other Document:OSHA Regulations,29 CFR paragraphs 1910.1000 and1910.120033.Properties3.1 Nitration grade xylene shall conform to the followingrequirements:ASTM TestPropertySpecificationMethodANonaromatic hydrocarbons,max,volume%4.0D6563Acid wash color,maxpass wi
8、th 6D848Copper corrosionpass(1A or 1B)D849AppearanceB.Color,Pt/Co scale,max20D1209 orD5386Distillation range at 101.3 kPa(760 mm Hgpressure),max,C5D850Initial distillation temperature,min,C137D850Dry point,max,C143D850AIf more than one method is listed,the producer and user should agree on therefere
9、e method.BClear liquid free of sediment and haze when observed at 18.3 to 25.6C(65 to78F).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 Hydrocarbons and Related Chemicals
10、 and is the direct responsibility ofSubcommittee D16.01 on Benzene,Toluene,Xylenes,Cyclohexane and TheirDerivatives.Current edition approved Feb.1,2011.Published November 2011.Originallyapproved in 1945.Last previous edition approved in 2006 as D843 06 DOI:10.1520/D0843-06R11E1.2For referenced ASTM
11、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.Capito
12、l 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 SUMMARY OF CHANGESCommittee D16 has identified the locati
13、on of selected changes to this standard since the last issue(D843 97(2006)that may impact the use of this standard.(Approved June 1,2006.)(1)Changed methods for nonaromatic hydrocarbons in 3.1.ASTM International takes no position respecting the validity of any patent rights asserted in connection wi
14、th 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 technic
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