ASTM D2827-2008 Standard Specification for Styrene Monomer《苯乙烯单体的标准规范》.pdf

1、Designation: D 2827 08Standard Specification forStyrene Monomer1This standard is issued under the fixed designation D 2827; 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 indicate

2、s 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 thisstandard: for purposes of determining conformance with thisstanda

3、rd, 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 method of Practice E29.1.3 The values stated in SI units are to be regarded asstandard.1.4 Consult current

4、OSHA regulations, suppliers MaterialSafety Data Sheets, and local regulations for all materials usedin this specification.2. Referenced Documents2.1 ASTM Standards:2D 1016 Test Method for Purity of Hydrocarbons fromFreezing PointsD 1209 Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)D

5、2119 Test Method for Aldehydes in Styrene MonomerD 2121 Test Methods for Polymer Content of StyreneMonomer and AMS (aMethylstyrene)D 2340 Test Method for Peroxides in Styrene MonomerD 3437 Practice for Sampling and Handling Liquid CyclicProductsD 4590 Test Method for Colorimetric Determination ofp-t

6、ert-Butylcatechol In Styrene Monomer or AMS(aMethylstyrene) by SpectrophotometryD 5135 Test Method for Analysis of Styrene by CapillaryGas ChromatographyD 5386 Test Method for Color of Liquids Using TristimulusColorimetryD 6229 Test Method for Trace Benzene in HydrocarbonSolvents by Capillary Gas Ch

7、romatographyD 7375 Test Method for Trace Quantities of Water inAromatic Hydrocarbons and Their Mixtures by Coulom-etric Karl Fischer TitrationE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with Specifications2.2 Other Document:OSHA Regulations, 29CFR paragraphs 1910.1

8、000 and1910.120033. Properties3.1 Styrene monomer shall conform to the following re-quirements:Property Specification ASTM Test MethodPurity, min, weight % 99.8AD 5135Aldehydes, max, weight % asbenzaldehyde0.0100 D2119Peroxides, max, mg/kg as H2O250 D 2340Polymer, max, mg/kg 10 D 2121, Test Method A

9、Inhibitor, mg/kg 10 to 15 (or asrequired)D 4590Ethylbenzene, max, mg/kg 500 D 5135Benzene, max, mg/kg 1 D 6229Water If needed D 7375AppearanceB.Color, max, Pt/Co scale 10 D 1209orColor, max, Pt/Co scale 15 D 5386_AThe most common impurities can be determined by Test Method D 5135.BClear liquid free

10、of sediment and haze at 18.3 to 25.6C (65 to 78F).NOTE 1Note that weight percent purity of this specification isequivalent to mole percent purity as determined by Test Method D 1016.4. Sampling4.1 The material shall be sampled in accordance withPractice D 3437.5. Keywords5.1 specification; styrene;

11、styrene monomer1This specification is under the jurisdiction of ASTM Committee D16 onAromatic Hydrocarbons and Related Chemicals and is the direct responsibility ofSubcommittee D16.07 on Styrene, Ethylbenzene and C9 and C10 AromaticHydrocarbons.Current edition approved Dec. 1, 2008. Published Decemb

12、er 2008. Originallyapproved in 1969. Last previous edition approved in 2004 as D 2827 - 04.2For referenced ASTM standards, visit 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 Su

13、mmary 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.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr H

14、arbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.SUMMARY OF CHANGESCommittee D16 has identified the location of selected changes to this standard since the last issue(D 2827 - 04) that may impact the use of this standard. (Approved December 1, 2008.)(1) Added Test Method D 7

15、375 water test method andappearance specification.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 advised that determination of the validity of any such patent right

16、s, 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 reapproved or withdrawn. Your comments are invited either for r

17、evision 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 y

18、ou 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 19428-2959,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).D2827082