ASTM D2827-2004 Standard Specification for Styrene Monomer《苯乙烯单体的标准规范》.pdf

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1、Designation: D 2827 04Standard 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 (e) 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 thisstand

3、ard, 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 E 29.1.3 Consult current OSHA regulations, suppliers MaterialSafety Data Sheets, and lo

4、cal 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 2119 Test Method for Aldehydes in Styrene MonomerD 2121 Test

5、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-tert-Butylcatechol in Styrene Monomer or AMS (aMethylstyrene)

6、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 ChromatographyD 6304 Test Method for Determination of Water in

7、 Petro-leum Products, Lubricating Oils, and Additives by Coulo-metric Karl Fisher TitrationE 29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE 1064 Test Method for Water in Organic Liquids byCoulometric Karl Fischer Titration2.2 Other Document:OSHA Re

8、gulations, 29 CFR, paragraphs 1910.1000 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 D 2119Peroxides, max, mg/kg as H2O250 D 2340Polymer

9、, max, mg/kg 10 D 2121, Test Method AInhibitor, mg/kg 10 to 15 (or asrequired)D 4590Ethylbenzene, max, mg/kg 500 D 5135Benzene, max, mg/kg 1 D 6229Water If needed D 6304 or E 1064Color, max, Pt/Co scale 10 D 1209orColor, max, Pt/Co scale 15 D 5386_AThe most common impurities can be determined by Tes

10、t Method D 5135.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; styrene monomer1This specification

11、 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 C9and C10AromaticHydrocarbons.Current edition approved Aug. 1, 2004. Published August 2004. Originallyapproved in 1969.

12、Last previous edition approved in 2000 as D 2827 - 00.2For 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 Summary page onthe ASTM website.3Availa

13、ble from U.S. Government Printing Office Superintendent of Documents,732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, Uni

14、ted States.SUMMARY OF CHANGESCommittee D16 has identified the location of selected changes to this standard since the last date of issue(D 2827 00) that may impact the use of this standard.(1) Increased purity requirement from 99.7 to 99.8 weight %minimum, decreased limit for aldehydes and peroxides

15、 by onehalf, and added the following impurities: ethylbenzene, ben-zene, and water to 3.1.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

16、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 reapproved or withdrawn

17、. 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 com

18、ments 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 19428-2959,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).D2827042