1、Designation:D587119Standard Specification forBenzene for Cyclohexane Feedstock1This standard is issued under the fixed designation D5871;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 parenthese
2、s indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers benzene for cyclohexane feed-stock.1.2 The following applies to all specified limits in thisstandard:for purposes of determining conf
3、ormance with thisstandard,an observed value or a calculated value shall berounded 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 as thestanda
4、rd.The values given in parentheses are for informationonly.1.4 Consult current OSHA regulations suppliers SafetyData Sheets for all materials used in this specification.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization establi
5、shed 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:2D848 Test Method for Acid Wash Color of Industrial Aro-matic Hydrocar
6、bonsD852 Test Method for Solidification Point of BenzeneD3437 Practice for Sampling and Handling Liquid CyclicProductsD4735 Test Method for Determination of Trace Thiophenein Refined Benzene by Gas ChromatographyD5386 Test Method for Color of Liquids Using TristimulusColorimetryD5713 Test Method for
7、Analysis of High Purity Benzene forCyclohexane Feedstock by Capillary Gas Chromatogra-phyD6875 Test Method for Solidification Point of IndustrialOrganic Chemicals by ThermistorD7011 Test Method for Determination of Trace Thiophenein Refined Benzene by Gas Chromatography and SulfurSelective Detection
8、D7183 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 NumberD8005 Test Method for Color of Clear Liquids(Platinu
9、m-Cobalt Scale)E29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE1064 Test Method for Water in Organic Liquids by Coulo-metric Karl Fischer TitrationE2680 Test Method for Appearance of Clear,TransparentLiquids(Visual Inspection Procedure)2.2 Other Doc
10、ument:OSHA Regulations,29 CFR paragraphs 1910.1000 and1910.120033.Properties3.1 Benzene for Cyclohexane Feedstock shall conform tothe following requirements:1This specification is under the jurisdiction of ASTM Committee D16 onAromatic,Industrial,Specialty and Related Chemicals and is the direct res
11、ponsi-bility of Subcommittee D16.01 on Benzene,Toluene,Xylenes,Cyclohexane andTheir Derivatives.Current edition approved Nov.1,2019.Published November 2019.Originallyapproved in 1996.Last previous edition approved in 2017 as D5871 17.DOI:10.1520/D5871-19.2For referenced ASTM standards,visit the ASTM
12、 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,W
13、ashington,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 established in the Decision on
14、 Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 PropertySpecificationASTM Test MethodABenzene,min,mass%99.90D5713 or D7504Sulfur,max,mg/kg1.0D7183Thiophene,max,mg/kg0.6D4735 or D70
15、11Toluene plus methylcyclohexane max,mg/kg150D5713Methylcyclopentane,max mg/kg100D5713N-hexane,max,mg/kg80D5713Acid wash color,maxpass with 1D848Appearance,free of haze,particulates or suspended matterparticlespassE2680Color,max,Pt-Co scale10D5386 or D8005Solidification point,anhydrous basis,min,C5.
16、45D852 or D6875AIf more than one method is listed for a property the producer and user shouldagree on the referee method.3.2 See Section 5 for non-mandatory supplementary re-quirements.4.Sampling4.1 Sample the material in accordance with Practice D3437.5.Supplementary Requirements(Non-mandatory)5.1 The following supplementary requirements shall applywhen agreed upon by the supplier and purchaser:PropertyASTM Test MethodAWaterE1064AIf more than one method is listed,the producer and user should ag