1、Designation: D841 17aStandard 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 ind
2、icates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers nitration grade toluene.1.2 The following applies to all specified limits in thisspecification: for purposes of determining conformanc
3、e withthis specification, an observed value or a calculated value shallbe rounded 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 regarded asstandar
4、d. No other units of measurement are included in thisstandard.1.4 Consult current OSHA regulations, suppliers SafetyData Sheets, and local regulations for all materials used in thisspecification.1.5 This international standard was developed in accor-dance with internationally recognized principles o
5、n standard-ization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2D848 Test Method for Acid Wash Color of
6、 Industrial Aro-matic HydrocarbonsD849 Test Method for Copper Strip Corrosion by IndustrialAromatic HydrocarbonsD3437 Practice for Sampling and Handling Liquid CyclicProductsD5386 Test Method for Color of Liquids Using TristimulusColorimetryD7504 Test Method for Trace Impurities in MonocyclicAromati
7、c Hydrocarbons by Gas Chromatography andEffective Carbon NumberE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE2680 Test Method for Appearance of Clear, TransparentLiquids (Visual Inspection Procedure)2.2 Federal Specification:3PPP-C-2020 Packaging
8、of Chemicals, Liquid, Dry, and Paste2.3 Other Document:OSHA Regulations, 29 CFR paragraphs 1910.1000 and1910.120043. Properties3.1 Nitration Grade Toluene shall conform to the followingrequirements:Property SpecificationASTM TestMethodAPurity, min. wt% 98.8 D7504Nonaromatic hydrocarbons, max, volume
9、 %(wt %)1.5 (1.2) D7504Acid wash color, max pass with 2 D848Copper corrosion pass (1A or 1B) D849Appearance, free of haze, particulatesor suspended matter particlespass E2680Color, Pt/Co scale, max 20 D5386AIf more than one method is listed, the producer and user should agree on thereferee method.3.
10、2 See Section 6 for non-mandatory supplementary re-quirements.4. Sampling4.1 The material shall be sampled in accordance withPractice D3437.5. Packaging and Labeling for U.S. GovernmentProcurements5.1 United States Government procurements shall be pack-aged and labeled in accordance with the applica
11、ble paragraphsof Fed. Spec. PPP-C-2020.1This specification is under the jurisdiction of ASTM Committee D16 onAromatic, Industrial, Specialty and Related Chemicals and is the direct responsi-bility of Subcommittee D16.01 on Benzene, Toluene, Xylenes, Cyclohexane andTheir Derivatives.Current edition a
12、pproved July 1, 2017. Published September 2017. Originallyapproved in 1945. Last previous edition approved in 2017 as D841 17. DOI:10.1520/D0841-17a.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStanda
13、rds volume information, refer to the standards Document Summary page onthe ASTM website.3Available from DLA Document Services, Building 4/D, 700 Robbins Ave.,Philadelphia, PA 19111-5094, http:/quicksearch.dla.mil.4Available from U.S. Government Printing Office Superintendent of Documents,732 N. Capi
14、tol St., NW, Mail Stop: SDE, Washington, DC 20401, http:/www.access.gpo.gov.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United StatesThis international standard was developed in accordance with internationally recognized principles on standardi
15、zation established in the Decision on Principles for theDevelopment of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.16. Supplementary Requirements (Non-mandatory)6.1 The following supplementary requirements sha
16、ll applyonly when agreed to by the seller and purchaser in the purchaseorder or contract:Property ASTM Test Method1,4-dioxane, max, mg/kg D75047. Keywords7.1 tolueneASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this
17、 standard. Users of this standard are expressly 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
18、reviewed every five years andif not revised, 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 therespo
19、nsible technical committee, which you may 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, Wes
20、t 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 Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ 17a2
