1、Designation: D5871 17Standard 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 pare
2、ntheses 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 deter
3、mining conformance 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 regard
4、ed as thestandard. 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
5、-ization established 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 Industria
6、l Aro-matic HydrocarbonsD852 Test Method for Solidification Point of BenzeneD1685 Test Method for Traces of Thiophene in Benzene bySpectrophotometry (Withdrawn 2009)3D3437 Practice for Sampling and Handling Liquid CyclicProductsD4017 Test Method for Water in Paints and Paint Materialsby Karl Fischer
7、 MethodD4492 Test Method for Analysis of Benzene by Gas Chro-matographyD4735 Test Method for Determination of Trace Thiophenein Refined Benzene by Gas ChromatographyD5386 Test Method for Color of Liquids Using TristimulusColorimetryD5713 Test Method for Analysis of High Purity Benzene forCyclohexane
8、 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 DetectionD7183 Test Method for Determination of Total S
9、ulfur inAromatic Hydrocarbons and Related Chemicals by Ultra-violet FluorescenceD7375 Test Method for Trace Quantities of Water in Aro-matic Hydrocarbons and Their Mixtures by CoulometricKarl Fischer Titration (Withdrawn 2017)3D7504 Test Method for Trace Impurities in MonocyclicAromatic Hydrocarbons
10、 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 of Clear, TransparentLiquids (Visual Inspection Proc
11、edure)2.2 Other Document:OSHA Regulations, 29 CFR paragraphs 1910.1000 and1910.120043. 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 Chemical
12、s and is the direct responsi-bility of Subcommittee D16.01 on Benzene, Toluene, Xylenes, Cyclohexane andTheir Derivatives.Current edition approved June 1, 2017. Published June 2017. Originallyapproved in 1996. Last previous edition approved in 2016 as D5871 16. DOI:10.1520/D5871-17.2For referenced A
13、STM 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.3The last approved version of this historical standard is referenced onwww.ast
14、m.org.4Available from U.S. Government Printing Office Superintendent 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
15、 standard was developed in accordance with internationally recognized principles 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
16、Property Specification ASTM Test MethodABenzene, min, weight % 99.90 D4492 , D5713 orD7504Sulfur, max, mg/kg 1.0 D7183Thiophene, max, mg/kg 0.6 D1685, D4735 orD7011Toluene plus methylcyclohexane max,mg/kg150 D5713Methylcyclopentane, max mg/kg 100 D5713N-hexane, max, mg/kg 80 D5713Acid wash color, ma
17、x pass with 1 D848Appearance, free of haze,particulates or suspended matterparticlespass E2680Color, max, Pt-Co scale 10 D5386 or D8005Solidification point, anhydrous basis,min,C5.45 D852 or D6875AIf more than one method is listed for a property the producer and user shouldagree on the referee metho
18、d.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:Property ASTM Tes
19、t MethodAWater D4017 or D7375AIf more than one method is listed, the producer and user should agree on thereferee method.6. Keywords6.1 benzene; cyclohexane feedstock; purityASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mention
20、edin 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
21、 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
22、 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 Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box
23、C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ 172
