1、Designation: D2359 12D2359 16Standard 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 parenthese
2、s 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 purposes
3、 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 t
4、o 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.2. Referenced Documents2.1 ASTM Standards:2D848 Test Method
5、for Acid 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of Clear Liquids (Platinum-Cobalt Scale)D1685 Test Method for Traces of Thiophene in Benzene by Spectrophotometry (Withdrawn 2009)3D3437 Practice for Sampling and Ha
6、ndling Liquid 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
7、Tristimulus 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for Trace Nitrogen in Aromatic Hydrocarbons by Oxidative Combustion and Reduced PressureChemiluminescence Detection (Withdrawn 2015)3D6304 Test Method
8、for Determination of Water in Petroleum Products, Lubricating Oils, and Additives by Coulometric KarlFischer Titration (Withdrawn 2016)3D6875 Test Method for Solidification Point of Industrial Organic Chemicals by ThermistorD7011 Test Method for Determination of Trace Thiophene in Refined Benzene by
9、 Gas Chromatography and Sulfur SelectiveDetectionD7183 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 PressureChemiluminescenc
10、e DetectionD7359 Test Method for Total Fluorine, 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 Exte
11、rnal Calibration1 This specification is under the jurisdiction ofASTM 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 Nov. 1, 2012June 1, 2016.
12、 Published December 2012June 2016. Originally approved in 1966. Last previous edition approved in 20102012 asD2359 10.D2359 12. DOI: 10.1520/D2359-12.10.1520/D2359-16.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual B
13、ook of ASTM Standardsvolume information, refer to the standardsstandards 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
14、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 all cases only the current versionof the standard as published by ASTM is
15、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 States1D7375 Test Method for Trace Quantities of Water in Aromatic Hydrocarbons and Their
16、 Mixtures by Coulometric Karl FischerTitrationD7457 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 C
17、hlorine in Aromatics by Monochromatic Wavelength 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 Re
18、gulations, 29 CFR paragraphs 1910.1000 and 1910.1200 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 D7360Thiophene, max, mg/kg 1 D1685 or D4735 or
19、D7011Nonaromatic hydrocarbons, max,weight %0.15 D4492 or D7360Acid wash color, max pass with 1 D848Appearance B .Color, max, PtCo scale 20 D1209 or D5386Solidification point, anhydrousbasis, min, C 5.35D852 orD6875A If more than one method is listed, the producer and user should agree on the referee
20、 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 requirements.4. Sampling4.1 The material shall be sampled in accordance with Practice D3437.5. Supplementary Requirements (Non-mandatory)5.1 The following supplementary r
21、equirements shall apply when agreed upon by the supplier and purchaser:Property ASTM Test MethodASulfur, max, mg/kg D7183Nitrogen, max, mg/kg D6069 or D7184Nitrogen, max, mg/kg D7184Water D6304 or E1064 or D73751,4 Dioxane D4492 or D7360 or D7504Chloride, max, mg/kg D5194 or D5808 or D7359 or D7536A
22、 If more than one method is listed, the producer and user should agree on the referee method.6. Keywords6.1 benzene; benzene535SUMMARY OF CHANGESCommittee D16 has identified the location of selected changes to this standard since the last issue (D2359 10) 12) that may impact the use of this standard
23、. (Approved NovemberJune 1, 2012.)2016.)(1) Modified Table 3.1 to allow Test Method D7457 as an alternate method for chloride.Removed D6069 from Section 2.(2) Modified Table 3.1 and 5.1 to allow Test Method D7360 as an alternate to Test Method D4492.table in 5.1 to remove D6069.(3) Modified Table 3.
24、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.4 Available from U.S. Government Printing Office Superintendent of Documents, 732 N. Capitol St., NW, Mail
25、 Stop: SDE, Washington, DC 20401, http:/www.access.gpo.gov.D2359 162ASTM 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 of the validity of any
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28、 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 th
29、is 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 Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ 163
