ASTM D2827-2012a Standard Specification for Styrene Monomer《苯乙烯单体的标准规格》.pdf

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1、Designation: D2827 12 D2827 12aStandard Specification forStyrene Monomer1This standard is issued under the fixed designation D2827; 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

2、indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification covers styrene monomer.1.2 The following applies to all specified limits in this standard: for purposes of determining conformance with t

3、his standard,an observed value or a calculated value shall be rounded off “to the nearest unit” in the last right-hand digit used in expressingthe specification limit, in accordance with the rounding-off method of Practice E29.1.3 The values stated in SI units are to be regarded as standard.1.4 Cons

4、ult current OSHA regulations, suppliers Material Safety Data Sheets, and local regulations for all materials used inthis specification.2. Referenced Documents2.1 ASTM Standards:2D1016 Test Method for Purity of Hydrocarbons from Freezing PointsD1209 Test Method for Color of Clear Liquids (Platinum-Co

5、balt Scale)D2119 Test Method for Aldehydes in Styrene MonomerD2121 Test Methods for Polymer Content of Styrene Monomer and AMS (Methylstyrene)D2340 Test Method for Peroxides in Styrene MonomerD3437 Practice for Sampling and Handling Liquid Cyclic ProductsD4017 Test Method for Water in Paints and Pai

6、nt Materials by Karl Fischer Method1 This specification is under the jurisdiction of ASTM Committee D16 on Aromatic Hydrocarbons and Related Chemicals and is the direct responsibility of SubcommitteeD16.07 on Styrene, Ethylbenzene and C9 and C10 Aromatic Hydrocarbons.Current edition approved July 1,

7、 2012Nov. 1, 2012. Published October 2012November 2012. Originally approved in 1969. Last previous edition approved in 20112012as D2827 11.12. DOI: 10.1520/D2827-12.10.1520/D2827-12A.2 For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at serviceast

8、m.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.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. Becaus

9、eit may not be technically possible to adequately depict all changes accurately, ASTM recommends that 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

10、 at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1D4590 Test Method for Colorimetric Determination of p-tert-Butylcatechol In Styrene Monomer or AMS (Methylstyrene) bySpectrophotometryD5135 Test Method for An

11、alysis of Styrene by Capillary Gas ChromatographyD5386 Test Method for Color of Liquids Using Tristimulus ColorimetryD6229 Test Method for Trace Benzene in Hydrocarbon Solvents by Capillary Gas ChromatographyD6304 Test Method for Determination of Water in Petroleum Products, Lubricating Oils, and Ad

12、ditives by Coulometric KarlFischer TitrationD7375 Test Method for Trace Quantities of Water in Aromatic Hydrocarbons and Their Mixtures by Coulometric Karl FischerTitrationD7504 Test Method for Trace Impurities in Monocyclic Aromatic Hydrocarbons by Gas Chromatography and Effective CarbonNumberD7704

13、 Test Method for Total Aldehydes in Styrene Monomer by Potentiometric TitrationE29 Practice for Using Significant Digits in Test Data to Determine Conformance with SpecificationsE1064 Test Method for Water in Organic Liquids by Coulometric Karl Fischer Titration2.2 Other Document:OSHA Regulations, 2

14、9CFR paragraphs 1910.1000 and 1910.120033. Properties3.1 Styrene monomer shall conform to the following requirements:3 Available 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.D2827 12a2Property

15、 Specification ASTM Test MethodAPurity, min, weight % 99.8B D5135 or D7504Aldehydes, max, weight % asbenzaldehyde0.0100 D2119 or D7704Peroxides, max, mg/kg as H2O2 50 D2340Polymer, max, mg/kg 10 D2121, Test Method AInhibitor, mg/kg 10 to 15 (or asrequired)D4590Ethylbenzene, max, mg/kg 500 D5135 or D

16、7504Benzene, max, mg/kg 1 D6229Appearance C .Color, max, Pt/Co scale 10 D1209 or D5386Color, max, Pt/Co scale 15 D1209 or D5386A If more than one method is listed, the producer and user should agree on the referee method.B The most common impurities can be determined by Test Method D5135.C Clear liq

17、uid free of sediment and haze at 18.3 to 25.6C (65 to 78F).NOTE 1Note that weight percent purity of this specification is equivalent to mole percent purity as determined by Test Method D1016.3.2 See Section 5 for nonmandatory requirements.4. Sampling4.1 The material shall be sampled in accordance wi

18、th Practice D3437.D2827 12a35. Supplementary Requirements5.1 The following supplementary requirements shall apply only when specified by the purchaser in the purchase order orcontact.Property ASTM Test MethodAWater D4017, D6304, D7375 or E1064A If more than one method is listed, the producer and use

19、r should agree on the referee method.6. Keywords6.1 specification; styrene; styrene monomerSUMMARY OF CHANGESCommittee D16 has identified the location of selected changes to this standard since the last issue (D2827 -12) that may impact the use of this standard. (Approved November 1, 2012.)(1) Chang

20、ed the specification range for Color to 15 max, Pt/Co units when measured by Test Method D1209 or D5386 in the tablein 3.1.SUMMARY OF CHANGESCommittee D16 has identified the location of selected changes to this standard since the last issue (D2827 -11) that may impact the use of this standard. (Appr

21、oved July 1, 2012.)(1) Added D7704, Test Method for Total Aldehydes in Styrene Monomer by Potentiometric Titration as a test method for aldehydesto the properties table in Section 3 and to Section 2 Referenced Documents.(2) Added D7504, Test Method for Trace Impurities in Monocyclic Aromatic Hydroca

22、rbons by Gas Chromatography and EffectiveCarbon Number to the Properties Section 3 and Section 2 Referenced Documents to allow this test method for determining thepurity of styrene monomer.(3) Moved the water specification “as needed” to a new Section 5 from Section 3, Properties.Committee D16 has i

23、dentified the location of selected changes to this standard since the last issue (D2827 - 10)that may impact the use of this standard. (Approved January 1, 2011.)(1) Changed the specification range for Color when measured by Test Method D1209 in the table in 3.1.ASTM International takes no position

24、respecting the validity of any patent rights asserted in connection with 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.Th

25、is standard is subject to revision at any time by the responsible technical 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 Int

26、ernational 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

27、 below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box 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 ASTM website (www.astm.org/COPYRIGHT/).D2827 12a4