ASTM D7124-2012 red 8125 Standard Specification for Benzene for Use with Zeolite Based Catalysts《与沸石基催化剂一起使用的苯的标准规范》.pdf

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1、Designation: D7124 11 D7124 12Standard Specification forBenzene for Use with Zeolite Based Catalysts1This standard is issued under the fixed designation D7124; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revisi

2、on. A number in 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 benzene for use with zeolite based catalysts.1.2 The following applies to all specified limits in this

3、 specification: for purposes 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 Th

4、e values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.1.4 Consult current OSHA regulations, suppliers Material Safety Data Sheets, and local regulations for all materials used inthis specification.2. Referenced Documents2.1 ASTM Stan

5、dards:2D848 Test Method for Acid Wash Color of Industrial Aromatic HydrocarbonsD1209 Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)D1492 Test Method for Bromine Index of Aromatic Hydrocarbons by Coulometric TitrationD1685 Test Method for Traces of Thiophene in Benzene by Spectrophoto

6、metry (Withdrawn 2009)3D3437 Practice for Sampling and Handling Liquid Cyclic ProductsD4492 Test Method for Analysis of Benzene by Gas ChromatographyD4735 Test Method for Determination of Trace Thiophene in Refined Benzene by Gas ChromatographyD5386 Test Method for Color of Liquids Using Tristimulus

7、 ColorimetryD5776 Test Method for Bromine Index of Aromatic Hydrocarbons by Electrometric TitrationD6069 Test Method for Trace Nitrogen in Aromatic Hydrocarbons by Oxidative Combustion and Reduced PressureChemiluminescence DetectionD6304 Test Method for Determination of Water in Petroleum Products,

8、Lubricating Oils, and Additives by Coulometric KarlFischer TitrationD7011 Test Method for Determination of Trace Thiophene in Refined Benzene by Gas Chromatography and Sulfur SelectiveDetectionD7183 Test Method for Determination of Total Sulfur in Aromatic Hydrocarbons and Related Chemicals by Ultra

9、violetFluorescenceD7184 Test Method for Ultra Low Nitrogen in Aromatic Hydrocarbons by Oxidative Combustion and Reduced PressureChemiluminescence DetectionD7359 Test Method for Total Fluorine, Chlorine and Sulfur in Aromatic Hydrocarbons and Their Mixtures by OxidativePyrohydrolytic Combustion follo

10、wed by Ion Chromatography Detection (Combustion Ion Chromatography-CIC)D7360 Test Method for Analysis of Benzene by Gas Chromatography with External CalibrationD7375 Test Method for Trace Quantities of Water in Aromatic Hydrocarbons and Their Mixtures by Coulometric Karl FischerTitrationD7457 Test M

11、ethod for Determining Chloride in Aromatic Hydrocarbons and Related Chemicals by Microcoulometry1 This specification is under the jurisdiction of ASTM Committee D16 on Aromatic Hydrocarbons and Related Chemicals and is the direct responsibility of SubcommitteeD16.01 on Benzene, Toluene, Xylenes, Cyc

12、lohexane and Their Derivatives.Current edition approved July 1, 2011Nov. 1, 2012. Published July 2011December 2012. Originally approved in 2005. Last previous edition approved in 20102011 asD7124 10.D7124 11. DOI: 10.1520/D7124-11.10.1520/D7124-12.2 For referenced ASTM standards, visit the ASTM webs

13、ite, www.astm.org, or contact ASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.3 The last approved version of this historical standard is referenced on www.astm.org.This document is not an

14、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 appropriate. In

15、 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 States1D7504 T

16、est Method for Trace Impurities in Monocyclic Aromatic Hydrocarbons by Gas Chromatography and Effective CarbonNumberD7536 Test Method for Chlorine in Aromatics by Monochromatic Wavelength Dispersive X-ray Fluorescence SpectrometryE29 Practice for Using Significant Digits in Test Data to Determine Co

17、nformance with SpecificationsE1064 Test Method for Water in Organic Liquids by Coulometric Karl Fischer Titration2.2 Other Document:OSHA Regulations, 29 CFR paragraphs 1910.1000 and 1910.1200 44 Available from U.S. Government Printing Office Superintendent of Documents, 732 N. Capitol St., NW, Mail

18、Stop: SDE, Washington, DC 20401, http:/www.access.gpo.gov.D7124 1223. Properties3.1 Benzene for use with zeolite based catalysts shall conform to the following requirements:Property Specification ASTM TestMethodABenzene, min, weight % 99.8 D4492 or D7360 or D7504Sulfur, max, mg/kg 1.0 D7183Thiophene

19、, max, mg/kg 0.6 D1685 orD4735 orD7011Toluene, max, weight % 0.05 D4492 or D7360 or D7504Nonaromatic hydrocarbons, max,weight %0.15 D4492 or D7360 or D7504Nitrogen, max, mg/kg 0.5 D6069 orD71841,4 Dioxane (if needed) D4492Acid wash color, max (If needed) Pass with 1 D848Bromine index, max (if needed

20、) 10 D1492 orD5776Water (if needed) D6304 orE1064 orD7375Chlorides, max, mg/kg 1 D7359 or D7457 or D7536Appearance B .Color, max, PtCo scale 15 D1209 orD5386A If more than one method is listed for a property the producer and user should agree on the referee method.B Clear liquid free of sediment and

21、 haze at 18.3 to 25.6C (65 to 78F).3.2 See Section 5.1 for non-mandatory supplementary requirements.D7124 1234. Sampling4.1 The material shall be sampled in accordance with Practice D3437.5. Supplementary Requirements (Non-mandatory)5.1 The following supplementary requirements shall apply when agree

22、d upon by the supplier and purchaser.Property ASTM Test MethodA1,4 Dioxane D4492 or D7360 orD7504Acid wash color, max D848Bromine index, max D1492 or D5776Water D6304 or E1064 or D7375A If more than one method is listed, the producer and user should agree on the referee method.6. Keywords6.1 benzene

23、; purity; zeoliteSUMMARY OF CHANGESCommittee D16 has identified the location of selected changes to this standard since the last issue(D7124 - 10D7124) 11) that may impact the use of this standard. (Approved July (November 1, 2011.)2012.)(1) Deleted method for chloride D5194 in Table inModified Tabl

24、e 3.1 to allow Test Method D7457 3.1 andas an 2.1.alternatemethod for chloride.(2) Modified Table 3.1 and 5.1 to allow Test Method D7360 as an alternate to Test Method D4492.(3) Modified Table 3.1 and 5.1 to allow Test Method D7504 as an alternate to Test Method D4492.(4) Modified Table 3.1 to elimi

25、nate non-mandatory requirements. Added 3.2 and Section 5 to indicate non-mandatory items.Committee D16 has identified the location of selected changes to this standard since the last issue(D7124 - 08D7124 - 10) that may impact the use of this standard. (Approved August 15, 2010.)July 1, 2011.)(1) Ad

26、ded methodsDeleted method for chloride,chloride D7359 and D5194 D7536in Table in 3.1.3.1 and 2.1.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 determi

27、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

28、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 y

29、our 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 (si

30、ngle 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/).D7124 124