1、Designation: D5136 09 (Reapproved 2013)D5136 17Standard Specification forHigh Purity p-Xylene1This standard is issued under the fixed designation D5136; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A n
2、umber in parentheses 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 high purity p-Xylene.1.2 The following applies to all specified limits in this specification: for purpos
3、es of determining conformance with thisspecification, an observed value or a calculated value shall be rounded off “to the nearest unit” in the last right-hand digit usedin expressing the specification limit, in accordance with the rounding-off method of Practice E29.1.3 The values stated in SI unit
4、s are to be regarded as standard. No other units of measurement are included in this standard.1.4 Consult current OSHA regulations, suppliers Material suppliers Safety Data Sheets, and local regulations for all materialsused in this specification.1.5 This international standard was developed in acco
5、rdance with internationally recognized principles 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 S
6、tandards:2D850 Test Method for Distillation of Industrial Aromatic Hydrocarbons and Related MaterialsD1209 Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)D3437 Practice for Sampling and Handling Liquid Cyclic ProductsD5386 Test Method for Color of Liquids Using Tristimulus Colorimetry
7、D5917 Test Method for Trace Impurities in Monocyclic Aromatic Hydrocarbons by Gas Chromatography and ExternalCalibrationD7183 Test Method for Determination of Total Sulfur in Aromatic Hydrocarbons and Related Chemicals by UltravioletFluorescenceD7504 Test Method for Trace Impurities in Monocyclic Ar
8、omatic Hydrocarbons by Gas Chromatography and Effective CarbonNumberE29 Practice for Using Significant Digits in Test Data to Determine Conformance with SpecificationsE2680 Test Method for Appearance of Clear, Transparent Liquids (Visual Inspection Procedure)2.2 Other Document:OSHA Regulations, 29 C
9、FR paragraphs 1910.1000 and 1910.1200 33. Properties3.1 High purity p-Xylene shall conform to the following requirements:ASTMProperty Specification Test MethodAPurity,B min, weight % 99.7 D5917 or D7504m-Xylene, max, weight % 0.20 D5917 or D7504o-Xylene, max, weight % 0.10 D5917 or D75041 This speci
10、fication is under the jurisdiction of ASTM Committee D16 on Aromatic Hydrocarbons Aromatic, Industrial, Specialty and Related Chemicals and is the directresponsibility of Subcommittee D16.01 on Benzene, Toluene, Xylenes, Cyclohexane and Their Derivatives.Current edition approved July 1, 2013June 1,
11、2017. Published July 2013June 2017. Originally approved in 1990. Last previous edition approved in 20092013 asD5136 09.D5136 09 (2013). DOI: 10.1520/D5136-09R13.10.1520/D5136-17.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. F
12、or Annual Book of ASTM Standardsvolume information, refer to the standardsstandards 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, http:/www.access.gpo.gov.This docu
13、ment 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 that users consult prior editions as
14、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 Conshohocken, PA 19428-2959. United
15、 States1Sulfur, max, mg/kg 1.0 D7183Toluene, max, weight % 0.10 D5917 or D7504Ethylbenzene, max, weight % 0.20 D5917 or D7504Nonaromatic hydrocarbons, max, weight % 0.20 D5917 or D7504Appearance C .Color, max, Pt/Co scale 10 D1209 or D5386Distillation range, including the temperature138.3C at 101.3
16、kPa (760 mm Hg)pressure, max, C1.0 D850Property Specification ASTMTest MethodAPurity,B min, weight % 99.7 D5917 or D7504m-Xylene, max, weight % 0.20 D5917 or D7504o-Xylene, max, weight % 0.10 D5917 or D7504Sulfur, max, mg/kg 1.0 D7183Toluene, max, weight % 0.10 D5917 or D7504Ethylbenzene, max, weigh
17、t % 0.20 D5917 or D7504Nonaromatic hydrocarbons, max, weight % 0.20 D5917 or D7504Appearance, free of haze, particulatesor suspended matter particlespass E2680Color, max, Pt/Co scale 10 D1209 or D5386Distillation range, including the temperature138.3C at 101.3 kPa (760 mm Hg)pressure, max, C1.0 D850
18、A If more than one method is listed, the producer and user should agree on the referee method.B Purity, molar %, minimum, will be specified when the freeze point procedure under development is completed.C Clear liquid free of sediment and haze when observed at 18.3 to 25.6C.4. Sampling4.1 The materi
19、al shall be sampled in accordance with Practice D3437.5. Keywords5.1 p-XyleneSUMMARY OF CHANGESCommittee D16 has identified the location of selected changes to this standard since the last issue (D5136 - 07)that may impact the use of this standard. (Approved June 1, 2009.)(1) Added test method for c
20、omposition, D7504. Deleted test method for composition D3798 as it is no longer being maintained.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 determi
21、nation 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 wi
22、thdrawn.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 yo
23、ur 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 19428-2959,United States. Individual reprints (sin
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