1、ASTM DA35 95 m 0759530 0558034 37T Designation:D 835-95#Tb AMERICAN SOCIEPI FOR TESTING AND MATERIALS 1916 RaceSt.Philadelphia,Pa 19103 Reprinted from the Annual Book of ASTM Standards.Copyright ASTM Il not listed in the current combined index,will appear in the nexl edition.Standard Specification f
2、or Refined Benzene-485!*This standard is issued under the fixed designation D 835;the number immediately following the designation indicates the year of original adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript
3、epsilon(6)indicates an editorial change since the last revision or reapproval.1.Scope 1.I This specification covers a nitration grade of benzene known as refined benzene 485.1.2 Consult current OSHA regulations and suppliers Material Safety Data Sheets for all materials utilized in this specificatio
4、n.1.3 The following applies to all specified limits in this standard:for purposes of determining conformance with this standard,an observed value or a calculated value shall be rounded off to the nearest unit in the last right-hand digit used in expressing the specification limit,in accordance with
5、the round-off method of Practice E 29.2.Referenced Documents 2.I ASTM Standards:D847 Test Method for Acidity of Benzene,Toluene,Xylenes,Solvent Naphthas,and Similar Industrial Aro-matic Hydrocarbons3 D848 Test Method for Acid Wash Color of Industrial Aromatic Hydrocarbons3 D849 Test Method for Coppe
6、r Strip Corrosion of Indus-trial Aromatic Hydrocarbons3 D 850 Test Method for Distillation of Industrial Aromatic Hydrocarbons and Related Materials3 D 852 Test Method for Solidification Point of Benzene3 D853 Test Method for Hydrogen Sulfide and Sulfur Dioxide Content(Qualitative)of Industrial Arom
7、atic Hydrocarbons3 D 1209 Test Method for Color of Clear Liquids(Platinum-Cobalt Scale)3 D 3437 Practice for Sampling and Handling Liquid Cyclic Products3 D3505 Test Method for Density or Relative Density of Pure Liquid Chemicals3 D4052 Test Method for Density and Relative Density of Liquids by Digi
8、tal Density MeteI.4 I This specification is under the jurisdiction of ASTM Committee D-16 on Aromatic Hydrocarbons and Related Chemicals and is the direct responsibility of Subcommittee D 16.OA on BTX,Cyclohexane,and Their Derivatives.Current edition approved April 15,1995.Published June 1995.Origin
9、ally published as D 835-45 T.Last previous edition D 835-90.This material was formerly known as nitration grade benzene.Annital Book o f ASTM Slandards,Vol 06.04.Anniral Book ofASTM Standards,Vol 05.02.E 29 Practice for Using Significant Digits in Test Data to 2.2 Federal Specification:PPP-(2-2020 P
10、ackaging of Chemicals,Liquid,D r y,and 2.3 Other Document:OSHA Regulations,29 CFR,paragraphs 19 1 O.1 O00 and Determine Conformance with Specifications5 Paste6 19 10.12007 3.Properties requirements:3.1 Refined benzene 485 shall conform to the following ASTM Test Property Specification Method Acid wa
11、sh color,max Acidity Copper corrosion Hydrogen sulfide(H2S)and sulfur dioxide(SOz)Appearance Color,R/Co scale,max Relative density,I5.56/1 5.56C or Density,ZOC,g/mL Distillation range including the temperature 80.IC at 101.3 kPa(760 mm Hg pressure),max.C Solidification point,anhydrous basis,min,C pa
12、ss with 2 none detected pass(IAor IB)none detected 20 0.8820 to O.8860 i 0.8780 io 0.8820 I.o 4.85 D 848 D 847 D 840 D 853 D i209 D 3505 or I 4052.D 850 D 852 A Clear liquid free of sediment and haze when observed at 18.3 to 25.6C(65 to 78F).4.Sampling 4.1 The material shall be sampled in accordance
13、 with Practice D 3437.5.Packaging and Labeling for U.S.Government Procure-ments 5.1 United States Government procurements shall be packaged and labeled in accordance with the applicable paragraphs of Fed.Spec.PPP-C-2020.6.Keyword 6.I benzene-485 Annual Book oSASTM Slundards,Vol 14.02.Available from
14、Standardization Documents Order Desk,Bldg.4 Section 0.Available from Superintendent of Documents.U.S.Government Printing 700 Robbins Ave.Philadelphia,PA 191 11-5094,Attn:NPODS.Ofice,Washington,DC 20402.I NOTICE:This standard has either been superseded and replaced by a new version or discontinued.Co
15、ntact ASTM International(www.astm.org)for the latest information.ASTM D835 95 0759530 0558035 206 The American Society for Testing and Materials takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.Users of this standard are e
16、xpressly advised that determination of the validity of any such patent rights,and the risk of infringement of such rights.are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and if not revised,either reapproved o r withdrawn.Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM Headquarters.Your comments will receive
