ASTM D841-2011 Standard Specification for Nitration Grade Toluene《甲苯的硝化定级的标准规范》.pdf

1、Designation: D841 11Standard Specification forNitration Grade Toluene1This standard is issued under the fixed designation D841; 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 indi

2、cates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification covers nitration grade toluene.1.2 The following applies to all specified limits in thisstandard: for purposes of determining conformance wit

3、h 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 Consult OSHA regulations, suppliers Material SafetyData Sheets, and

4、local regulations for all materials used in thisspecification.2. Referenced Documents2.1 ASTM Standards:2D848 Test Method for Acid Wash Color of IndustrialAromatic HydrocarbonsD849 Test Method for Copper Strip Corrosion by IndustrialAromatic HydrocarbonsD850 Test Method for Distillation of Industria

5、l AromaticHydrocarbons and Related MaterialsD1209 Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)D2360 Test Method for Trace Impurities in MonocyclicAromatic Hydrocarbons by Gas ChromatographyD3437 Practice for Sampling and Handling Liquid CyclicProductsD5386 Test Method for Color of

6、Liquids Using TristimulusColorimetryD7504 Test Method for Trace Impurities in MonocyclicAromatic Hydrocarbons by Gas Chromatography andEffective Carbon NumberE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with Specifications2.2 Federal Specification:3PPP-C-2020 Packag

7、ing of Chemicals, Liquid, Dry, andPaste2.3 Other Document:OSHA Regulations, 29 CFR paragraphs 1910.1000 and1910.120043. Properties3.1 Nitration grade toluene shall conform to the followingrequirements:ASTM TestProperty Specification MethodANonaromatic hydrocarbons, max, volume %(wt %)1.5 (1.2) D2360

8、 orD7504Acid wash color, max pass with 2 D848Copper corrosion pass (1A or 1B) D849AppearanceB.Color, Pt/Co scale, max 20 D1209 orD5386Distillation range including the temperature110.6C at 101.3 kPa (760 mm Hg pressure),max, C1.0 D8501,4-dioxane, max, mg/kg as needed D7504AIf more than one method is

9、listed, the producer and user should agree on thereference method.BClear liquid free of sediment and haze when observed at 18.3 to 25.6C (65 to78F).4. Sampling4.1 The material shall be sampled in accordance withPractice D3437.5. Packaging and Labeling for U.S. GovernmentProcurements5.1 United States

10、 Government procurements shall be pack-aged and labeled in accordance with the applicable paragraphsof Fed. Spec. PPP-C-2020.6. Keywords6.1 toluene1This specification is under the jurisdiction of ASTM Committee D16 onAromatic Hydrocarbons and Related Chemicals and is the direct responsibility ofSubc

11、ommittee D16.01 on Benzene, Toluene, Xylenes, Cyclohexane and TheirDerivatives.Current edition approved July 1, 2011. Published July 2011. Originally approvedin 1945. Last previous edition approved in 2010 as D841 10. DOI: 10.1520/D0841-11.2For referenced ASTM standards, visit the ASTM website, www.

12、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 Standardization Documents Order Desk, DODSSP, Bldg. 4,Section D, 700 Robbins Ave., Philadelphia, PA 19111

13、-5098, http:/www.dodssp.daps.mil.4Available from U.S. Government Printing Office Superintendent of Documents,732 N. Capitol St., NW, Mail Stop: SDE, 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 Bar

14、r Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.SUMMARY OF CHANGESCommittee D16 has identified the location of selected changes to this standard since the last issue (D841 - 10)that may impact the use of this standard. (Approved July 1, 2011.)(1) Added 1,4-dioxane and Te

15、st Method D7504 to Table in3.1.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 determination of the validity of any such patent rights, and the riskof i

16、nfringement 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 withdrawn. Your comments are invited either for revision of this sta

17、ndard 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 your comments have not received a fair hearing you shouldmake your

18、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/).D841 112