ASTM D2359-2010 Standard Specification for Refined Benzene-535《精制苯-535标准规范》.pdf

1、Designation: D2359 10Standard 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 parentheses indica

2、tes 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 asrefined benzene-535.1.2 The following applies to all specified limits in thisstandard: for purposes of determ

3、ining conformance with thisstandard, an observed value or a calculated value shall berounded 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 regarde

4、d 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:2D848 Test Method for Acid Wash Color of In

5、dustrialAromatic 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 bySpectrophotometry3D3437 Practice for Sampling and Handling Liquid CyclicProductsD4492 Test Metho

6、d for Analysis of Benzene by Gas Chro-matographyD4735 Test Method for Determination of Trace Thiophenein Refined Benzene by Gas ChromatographyD5194 Test Method for Trace Chloride in Liquid AromaticHydrocarbonsD5386 Test Method for Color of Liquids Using TristimulusColorimetryD5808 Test Method for De

7、termining Chloride in AromaticHydrocarbons and Related Chemicals by Microcoulom-etryD6069 Test Method for Trace Nitrogen in Aromatic Hydro-carbons by Oxidative Combustion and Reduced PressureChemiluminescence DetectionD6304 Test Method for Determination of Water in Petro-leum Products, Lubricating O

8、ils, and Additives by Coulo-metric Karl Fischer TitrationD6875 Test Method for Solidification Point of IndustrialOrganic Chemicals by ThermistorD7011 Test Method for Determination of Trace Thiophenein Refined Benzene by Gas Chromatography and SulfurSelective DetectionD7183 Test Method for Determinat

9、ion of Total Sulfur inAromatic Hydrocarbons and Related Chemicals by Ultra-violet FluorescenceD7184 Test Method for Ultra Low Nitrogen in AromaticHydrocarbons by Oxidative Combustion and ReducedPressure Chemiluminescence DetectionD7359 Test Method for Total Fluorine, Chlorine and Sulfurin Aromatic H

10、ydrocarbons and Their Mixtures by Oxida-tive Pyrohydrolytic Combustion followed by Ion Chroma-tography Detection (Combustion Ion Chromatography-CIC)D7375 Test Method for Trace Quantities of Water in Aro-matic Hydrocarbons and Their Mixtures by CoulometricKarl Fischer TitrationD7536 Test Method for C

11、hlorine in Aromatics by Mono-chromatic Wavelength Dispersive X-ray FluorescenceSpectrometryE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE1064 Test Method for Water in Organic Liquids by Cou-lometric Karl Fischer Titration2.2 Other Document:OSHA Re

12、gulations, 29 CFR paragraphs 1910.1000 and1910.120041This specification is under the jurisdiction of ASTM Committee D16 onAromatic Hydrocarbons and Related Chemicals and is the direct responsibility ofSubcommittee D16.01 on Benzene, Toluene, Xylenes, Cyclohexane and TheirDerivatives.Current edition

13、approved Aug. 1, 2010. Published September 2010. Originallyapproved in 1966. Last previous edition approved in 2009 as D2359 09. DOI:10.1520/D2359-10.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStand

14、ards volume information, refer to the standards Document Summary page onthe ASTM website.3Withdrawn. The last approved version of this historical standard is referencedon www.astm.org.4Available from U.S. Government Printing Office Superintendent of Documents,732 N. Capitol St., NW, Mail Stop: SDE,

15、Washington, DC 20401, http:/www.access.gpo.gov.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.3. Properties3.1 Refined benzene-535 shall conform to the followingrequi

16、rements:Property Specification ASTM Test MethodAPurity, min, weight % 99.80 D4492Toluene, max, weight % 0.10 D4492Sulfur, max, mg/kg (if needed) D7183Thiophene, max, mg/kg 1 D1685 or D4735 orD7011Nonaromatic hydrocarbons, max,weight %0.15 D4492Nitrogen, max, mg/kg (if needed) D6069 or D7184Water (if

17、 needed) D6304 or E1064 orD7375Acid wash color, max pass with 1 D848AppearanceB.Color, max, PtCo scale 20 D1209 or D53861,4 Dioxane (if needed) D4492Solidification point, anhydrousbasis, min, C5.35 D852 orD6875Chloride, max, mg/kg as needed D5194 or D5808 orD7359 or D7536AIf more than one method is

18、listed, the producer and user should agree on thereferee method.BClear 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 benzene; benzene535SUMMARY OF CHANGESCommittee D16 has identified the lo

19、cation of selected changes to this standard since the last issue (D2359 - 09)that may impact the use of this standard. (Approved August 1, 2010.)(1) Added chloride restriction in Table in 3.1.Committee D16 has identified the location of selected changes to this standard since the last issue (D2359 -

20、 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 expressly advis

21、ed 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 revised, either r

22、eapproved 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 attend. If

23、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 States. Individu

24、al 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 102