1、Designation:D636721Standard Specification forAMS(-Methylstyrene)1This standard is issued under the fixed designation D6367;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 parentheses indicates th
2、e year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This specification covers AMS(-Methylstyrene).1.2 The following applies to all limits in this specification:forpurposesofdeterminingconformancewiththisspecification,an obse
3、rved 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 asstandard.No other units of measurement are
4、included in thisstandard.1.4 Consult current OSHA regulations,suppliers SafetyData Sheets,and local regulations for all materials used in thisspecification.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the D
5、ecision 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:2D3160 Test Method for Phenol Content of Cumene(Isopro-pylbenzene)or AMS(Methylstyr
6、ene)D3437 Practice for Sampling and Handling Liquid CyclicProductsD4590 Test Method for Colorimetric Determination ofp-tert-Butylcatechol In Styrene Monomer or AMS(Methylstyrene)by SpectrophotometryD5386 Test Method for Color of Liquids Using TristimulusColorimetryD6144 Test Method for Analysis of A
7、MS(-Methylstyrene)by Capillary Gas ChromatographyD7504 Test Method for Trace Impurities in MonocyclicAromatic Hydrocarbons by Gas Chromatography andEffective Carbon NumberD7977 Test Methods for Polymer Content of AMS(-Methylstyrene)D8005 Test Method for Color of Clear Liquids(Platinum-Cobalt Scale)E
8、29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE2680 Test Method for Appearance of Clear,TransparentLiquids(Visual Inspection Procedure)2.2 Other Documents:OSHA Regulations 29 CFR paragraphs 1910.1000 and1910.120033.Properties3.1 AMS shall conform to
9、 the requirements shown in Table1.4.Sampling4.1 Sample the material in accordance with Practice D3437.5.Keywords5.1-Methylstyrene;AMS;catechol;TBC;tertiary-butylcatechol1This specification is under the jurisdiction of ASTM Committee D16 onAromatic,Industrial,Specialty and Related Chemicals and is th
10、e direct responsi-bility of Subcommittee D16.07 on Styrene,Ethylbenzene and C9 and C10AromaticHydrocarbons.Current edition approved Nov.1,2021.Published November 2021.Originallyapproved in 1999.Last previous edition approved in 2017 as D6367 17.DOI:10.1520/D6367-21.2For referenced ASTM standards,vis
11、it 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.Capitol St.,NW,Mail
12、 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 StatesThis international standard was developed in accordance with internation
13、ally 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?SUMMARY OF CHANGESCommittee D16 has identified the locat
14、ion of selected changes to this standard since the last issue(D6367 17)that may impact the use of this standard.(Approved Nov.1,2021.)(1)Test Method D7504 added and appearance verbiage up-dated.ASTM International takes no position respecting the validity of any patent rights asserted in connection w
15、ith 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 techni
16、cal committee and 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 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 Standard
