ASTM D6367-2017 red 8125 Standard Specification for AMS (&x3b1 -Methylstyrene)《AMS (α-甲基苯乙烯)的标准规格》.pdf

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1、Designation: D6367 16D6367 17Standard 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 parenthes

2、es indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*Scope1.1 This specification covers AMS (-Methylstyrene).1.2 The following applies to all limits in this specification: for purposes of determining conformanc

3、e with this specification, anobserved value or a calculated value shall be rounded off “to the nearest unit” in the last right-hand digit used in expressing thespecification limit, in accordance with the rounding-off method of Practice E29.1.3 The values stated in SI units are to be regarded as stan

4、dard. No other units of measurement are included in this standard.1.4 Consult current OSHA regulations, suppliers Safety Data Sheets, and local regulations for all materials used in thisspecification.1.5 This international standard was developed in accordance with internationally recognized principl

5、es on standardizationestablished in the Decision on Principles for the Development of International Standards, Guides and Recommendations issuedby the World Trade Organization Technical Barriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2D3160 Test Method for Phenol Content

6、of Cumene (Isopropylbenzene) or AMS (Methylstyrene)D3437 Practice for Sampling and Handling Liquid Cyclic ProductsD4590 Test Method for Colorimetric Determination of p-tert-Butylcatechol In Styrene Monomer orAMS (Methylstyrene) bySpectrophotometryD5386 Test Method for Color of Liquids Using Tristimu

7、lus ColorimetryD6144 Test Method for Analysis of AMS (-Methylstyrene) by Capillary Gas ChromatographyD7977 Test Methods for Polymer Content of AMS (-Methylstyrene)D8005 Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)E29 Practice for Using Significant Digits in Test Data to Determine C

8、onformance with SpecificationsE2680 Test Method for Appearance of Clear, Transparent Liquids (Visual Inspection Procedure)2.2 Other Documents:OSHA Regulations 29 CFR paragraphs 1910.1000 and 1910.120033. Properties3.1 AMS shall conform to the requirements shown inTable 1.4. Sampling4.1 Sample the ma

9、terial in accordance with Practice D3437.1 This specification is under the jurisdiction of ASTM Committee D16 on Aromatic Hydrocarbons Aromatic, Industrial, Specialty and Related Chemicals and is the directresponsibility of Subcommittee D16.07 on Styrene, Ethylbenzene and C9 and C10 Aromatic Hydroca

10、rbons.Current edition approved July 1, 2016June 1, 2017. Published August 2016June 2017. Originally approved in 1999. Last previous edition approved in 20122016 asD6367 12.D6367 16. DOI: 10.1520/D6367-16.10.1520/D6367-17.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contact

11、ASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.3 Available from U.S. Government Printing Office Superintendent of Documents, 732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401,

12、http:/www.access.gpo.gov.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends tha

13、t users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West C

14、onshohocken, PA 19428-2959. United States15. Keywords5.1 -Methylstyrene; AMS; catechol; TBC; tertiary-butyl catecholSUMMARY OF CHANGESCommittee D16 has identified the location of selected changes to this standard since the last issue (D636712)that may impact the use of this standard. (Approved July

15、1, 2016.)(1) Section 2.1 Removed D1209 and D2121 and added D7977 and D8005.(2) Section 3.1 Removed D1209 and D2121 and added D7977 and D8005.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this

16、 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 must be reviewed every five year

17、s 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 committe

18、e, 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 C700, West Conshohocken, PA 19428-

19、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 stand

20、ard may also be secured from the Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ 1 RequirementsProperty Specification ASTM Test MethodAMS, min, weight % 99.00 D6144Phenols, max, mg/kg 20 D3160Polymer, max, mg/kg 10 D7977, Test Method AInhibitor, mg/kg 10

21、-20 (or as required)A,B D4590 or D6144Inhibitor, mg/kg 10-20 (or as required)A D4590 or D6144Appearance BAppearance, free of haze,particulates or suspendedmatter particlespass E2680Color, max, Pt-Co 20C D5386 or D8005Color, max, Pt-Co 20B D5386 or D8005A Typically TBC (para-tertiary-butyl catechol).B Clear liquid free of sediment and haze when observed at 18.3 to 25.6C.B Test Method D5386 is the referee test method in case of dispute.D6367 172