1、Designation:D530908(Reapproved 2013)1Standard Specification forCyclohexane 9991This standard is issued under the fixed designation D5309;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.1NOTEFootnotes in 3.1 were corrected editorially in July 2013.1.Scope*1.1 This specification covers a grade of cyclohexane iden-tified as“cyclohexane 999.”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 berounded off“to the nearest unit”in the last right-hand digitused in expressing the specification limit,in accordance withthe rounding-off metho
4、d of Practice E29.1.3 Consult current OSHA regulations,suppliers MaterialSafety Data Sheets,and local regulations for all materials usedin this specification.2.Referenced Documents2.1 ASTM Standards:2D850 Test Method for Distillation of Industrial AromaticHydrocarbons and Related MaterialsD1209 Test
5、 Method for Color of Clear Liquids(Platinum-Cobalt Scale)D3437 Practice for Sampling and Handling Liquid CyclicProductsD5386 Test Method for Color of Liquids Using TristimulusColorimetryD7183 Test Method for Determination of Total Sulfur inAromatic Hydrocarbons and Related Chemicals by Ultra-violet
6、FluorescenceD7266 Test Method for Analysis of Cyclohexane by GasChromatography(External Standard)E29 Practice for Using Significant Digits in Test Data toDetermine Conformance with Specifications2.2 Other Documents:OSHA Regulations,29 CFR Paragraphs 1910.1000 and1910.120033.Properties3.1 Cyclohexane
7、 999 shall conform to the following re-quirements:PropertySpecificationASTMTest MethodPurity,min,weight%99.90D7266Benzene,max,mg/kg50D7266n-Hexane,max,mg/kg200D7266Methylcyclohexane,max,mg/kg200D7266Methylcyclopentane,max,mg/kg150D7266Sulfur,max,mg/kgA1D7183AppearanceAColor,max,Platinum/Cobalt scale
8、B10D1209 or D5386Distillation range,1.0D850including the temperature 80.7C,at101.3 KPa(760 mmHg)pressure,max,CAClear liquid free of sediment and haze at 18.3 to 25.6C(65 to 78F).BIf more than one method is listed for a property and there is a dispute,the refereemethod will be agreed upon between the
9、 buyer and the seller.4.Sampling4.1 Sample the material in accordance with Practice D3437.5.Keywords5.1 cyclohexane 9991This specification is under the jurisdiction of ASTM Committee D16 onAromatic Hydrocarbons and Related Chemicals and is the direct responsibility ofSubcommittee D16.01 on Benzene,T
10、oluene,Xylenes,Cyclohexane and TheirDerivatives.Current edition approved July 1,2013.Published July 2013.Originally approvedin 1992.Last previous edition approved in 2008 as D5309 08.DOI:10.1520/D5309-08R13E01.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer
11、 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,Washington,DC 20401,http:/www.access.gpo.gov.*
12、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 location of selected changes to this standard since the last issue(D5309-02
13、)that may impact the use of this standard.(Approved January 1,2008.)(1)Test Method D7266 replaced Test Method D3054 in theASTM Test Method column for GC test in 3.1.(2)Test Method D7183 replaced Test Methods D4045,D6212,D6313,and D6428 in theASTM Test Method column for TotalSulfur test in 3.1.(3)Tes
14、t Methods D7266 and D7183 were added to Section 2,Referenced Documents.(4)A Summary of Changes section was added.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard.Users of this standard are expressly advis
15、ed 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 must be reviewed every five years andif not revised,either reap
16、proved 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 Standards,at the address shown below.This standard is copyrighted by ASTM International,1
