1、Designation: D5136 09 (Reapproved 2013)Standard 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 number in
2、 parentheses 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 high purity p-Xylene.1.2 The following applies to all specified limits in thisspecification: for purposes of determin
3、ing conformance withthis specification, an observed value or a calculated value shallbe rounded 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 rega
4、rded asstandard. No other units of measurement are included in thisstandard.1.4 Consult current OSHA regulations, suppliers MaterialSafety Data Sheets, and local regulations for all materials usedin this specification.2. Referenced Documents2.1 ASTM Standards:2D850 Test Method for Distillation of In
5、dustrial AromaticHydrocarbons and Related MaterialsD1209 Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)D3437 Practice for Sampling and Handling Liquid CyclicProductsD5386 Test Method for Color of Liquids Using TristimulusColorimetryD5917 Test Method for Trace Impurities in Monocyclic
6、Aromatic Hydrocarbons by Gas Chromatography andExternal CalibrationD7183 Test Method for Determination of Total Sulfur inAromatic Hydrocarbons and Related Chemicals by Ultra-violet FluorescenceD7504 Test Method for Trace Impurities in MonocyclicAromatic Hydrocarbons by Gas Chromatography andEffectiv
7、e Carbon NumberE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with Specifications2.2 Other Document:OSHA Regulations, 29 CFR paragraphs 1910.1000 and1910.120033. Properties3.1 High purity p-Xylene shall conform to the followingrequirements:ASTMProperty Specification T
8、est MethodAPurity,Bmin, 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, weight % 0.20 D5917 or D7504Nonaromatic hydrocarbons, max, weight % 0.20
9、D5917 or D7504AppearanceC.Color, max, Pt/Co scale 10 D1209 or D5386Distillation range, including the temperature138.3C at 101.3 kPa (760 mm Hg)pressure, max, C1.0 D850AIf more than one method is listed, the producer and user should agree on thereferee method.BPurity, molar %, minimum, will be specif
10、ied when the freeze point procedureunder development is completed.CClear liquid free of sediment and haze when observed at 18.3 to 25.6C.4. Sampling4.1 The material shall be sampled in accordance withPractice D3437.5. Keywords5.1 p-Xylene1This specification is under the jurisdiction of ASTM Committe
11、e D16 onAromatic Hydrocarbons and Related Chemicals and is the direct responsibility ofSubcommittee D16.01 on Benzene, Toluene, Xylenes, Cyclohexane and TheirDerivatives.Current edition approved July 1, 2013. Published July 2013. Originally approvedin 1990. Last previous edition approved in 2009 as
12、D5136 09. DOI: 10.1520/D5136-09R13.2For 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.3Available from U.S. Gover
13、nment Printing Office Superintendent of Documents,732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401, http:/www.access.gpo.gov.*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
14、. United States1SUMMARY 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 composition, D7504. Deleted testmethod for composition D3798 a
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18、ur 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). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).D5136 09 (2013)2
