ASTM D2359-2012 Standard Specification for Refined Benzene-535《精制苯-535的标准规格》.pdf

1、Designation: D2359 10 D2359 12Standard Specification forRefined Benzene-5351This standard is issued under the fixed designation D2359; 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 parenthes

2、es 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 a grade of benzene known as refined benzene-535.1.2 The following applies to all specified limits in this standard: for purpose

3、s of determining conformance with this standard,an observed value or a calculated value shall be rounded off “to the nearest unit” in the last right-hand digit used in expressingthe specification limit, in accordance with the rounding-off method of Practice E29.1.3 The values stated in SI units are

4、to be regarded as standard. No other units of measurement are included in this standard.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 Standards:2D848 Test Method for Acid

5、Wash Color of Industrial Aromatic HydrocarbonsD852 Test Method for Solidification Point of BenzeneD1209 Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)D1685 Test Method for Traces of Thiophene in Benzene by Spectrophotometry (Withdrawn 2009)3D3437 Practice for Sampling and Handling Li

6、quid Cyclic ProductsD4492 Test Method for Analysis of Benzene by Gas ChromatographyD4735 Test Method for Determination of Trace Thiophene in Refined Benzene by Gas ChromatographyD5194 Test Method for Trace Chloride in Liquid Aromatic HydrocarbonsD5386 Test Method for Color of Liquids Using Tristimul

7、us ColorimetryD5808 Test Method for Determining Chloride in Aromatic Hydrocarbons and Related Chemicals by MicrocoulometryD6069 Test Method for Trace Nitrogen in Aromatic Hydrocarbons by Oxidative Combustion and Reduced PressureChemiluminescence DetectionD6304 Test Method for Determination of Water

8、in Petroleum Products, Lubricating Oils, and Additives by Coulometric KarlFischer TitrationD6875 Test Method for Solidification Point of Industrial Organic Chemicals by ThermistorD7011 Test Method for Determination of Trace Thiophene in Refined Benzene by Gas Chromatography and Sulfur SelectiveDetec

9、tionD7183 Test Method for Determination of Total Sulfur in Aromatic Hydrocarbons and Related Chemicals by UltravioletFluorescenceD7184 Test Method for Ultra Low Nitrogen in Aromatic Hydrocarbons by Oxidative Combustion and Reduced PressureChemiluminescence DetectionD7359 Test Method for Total Fluori

10、ne, Chlorine and Sulfur in Aromatic Hydrocarbons and Their Mixtures by OxidativePyrohydrolytic Combustion followed by Ion Chromatography Detection (Combustion Ion Chromatography-CIC)D7360 Test Method for Analysis of Benzene by Gas Chromatography with External Calibration1 This specification is under

11、 the jurisdiction of ASTM Committee D16 on Aromatic Hydrocarbons and Related Chemicals and is the direct responsibility of SubcommitteeD16.01 on Benzene, Toluene, Xylenes, Cyclohexane and Their Derivatives.Current edition approved Aug. 1, 2010Nov. 1, 2012. Published September 2010December 2012. Orig

12、inally approved in 1966. Last previous edition approved in 20092010as D2359 09.D2359 10. DOI: 10.1520/D2359-10.10.1520/D2359-12.2 For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume informat

13、ion, 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 ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made

14、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 all cases only the current versionof the standard as published by ASTM is to be considered the official document.*A Sum

15、mary 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 States1D7375 Test Method for Trace Quantities of Water in Aromatic Hydrocarbons and Their Mixtures by Coulometric Karl FischerTitratio

16、nD7457 Test Method for Determining Chloride in Aromatic Hydrocarbons and Related Chemicals by MicrocoulometryD7504 Test Method for Trace Impurities in Monocyclic Aromatic Hydrocarbons by Gas Chromatography and Effective CarbonNumberD7536 Test Method for Chlorine in Aromatics by Monochromatic Wavelen

17、gth Dispersive X-ray Fluorescence SpectrometryE29 Practice for Using Significant Digits in Test Data to Determine Conformance 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 19

18、10.1200 43. Properties3.1 Refined benzene-535 shall conform to the following requirements:Property Specification ASTM Test MethodAPurity, min, weight % 99.80 D4492 or D7360Toluene, max, weight % 0.10 D4492 or D7360Sulfur, max, mg/kg (if needed) D7183Thiophene, max, mg/kg 1 D1685 or D4735 orD7011Nona

19、romatic hydrocarbons, max,weight %0.15 D4492 or D7360Nitrogen, max, mg/kg (if needed) D6069 or D7184Water (if needed) D6304 or E1064 orD7375Acid wash color, max pass with 1 D848Appearance B .Color, max, PtCo scale 20 D1209 or D53861,4 Dioxane (if needed) D4492Solidification point, anhydrousbasis, mi

20、n, C 5.35D852 orD6875Chloride, max, mg/kg as needed D5194 or D5808 orD7359 or D7536A If more than one method is listed, the producer and user should agree on the referee method.B Clear liquid free of sediment and haze when observed at 18.3 to 25.6C.3.2 See Section 5 for non-mandatory supplementary r

21、equirements.4. 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 agreed upon by the supplier and purchaser:Property ASTM Test MethodASulfur, max, mg/kg D7183Nitrogen,

22、max, mg/kg D6069 or D7184Water D6304 or E1064 or D73751,4 Dioxane D4492 or D7360 or D7504Chloride, max, mg/kg D5194 or D5808 or D7359 or D7536A If more than one method is listed, the producer and user should agree on the referee method.6. Keywords6.1 benzene; benzene5354 Available from U.S. Governme

23、nt Printing Office Superintendent of Documents, 732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401, http:/www.access.gpo.gov.D2359 122SUMMARY OF CHANGESCommittee D16 has identified the location of selected changes to this standard since the last issue(D2359 - 09D2359) 10) that may impact t

24、he use of this standard. (Approved AugustNovember 1, 2010.)2012.)(1) Added chloride restriction in Table inModified Table 3.1 3.1.to allow Test Method D7457 as an alternate method for chloride.(2) Modified Table 3.1 and 5.1 to allow Test Method D7360 as an alternate to Test Method D4492.(3) Modified

25、 Table 3.1 and 5.1 to allow Test Method D7504 as an alternate to Test Method D4492.(4) Modified Table 3.1 to eliminate 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 iss

26、ue (D2359 - 08)that may impact the use of this standard. (Approved June 1, 2009.)(1) Added alternate methods for thiophene.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 expr

27、essly advised that determination 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 revise

28、d, either reapproved or withdrawn. 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

29、attend. If you feel that your 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 State

30、s. 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/).D2359 123