ASTM D841-2012 Standard Specification for Nitration Grade Toluene《硝化级甲苯的标准规格》.pdf

1、Designation: D841 11 D841 12Standard 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 parenthe

2、ses 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 nitration grade toluene.1.2 The following applies to all specified limits in this standard: for purposes of determining confor

3、mance 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 Consult OSHA regulations, suppliers Material Safety Data

4、Sheets, and local regulations for all materials used in thisspecification.2. Referenced Documents2.1 ASTM Standards:2D848 Test Method for Acid Wash Color of Industrial Aromatic HydrocarbonsD849 Test Method for Copper Strip Corrosion by Industrial Aromatic HydrocarbonsD850 Test Method for Distillatio

5、n of Industrial Aromatic Hydrocarbons and Related MaterialsD1209 Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)D2360 Test Method for Trace Impurities in Monocyclic Aromatic Hydrocarbons by Gas ChromatographyD3437 Practice for Sampling and Handling Liquid Cyclic ProductsD5386 Test Met

6、hod for Color of Liquids Using Tristimulus ColorimetryD7504 Test Method for Trace Impurities in Monocyclic Aromatic Hydrocarbons by Gas Chromatography and Effective CarbonNumberE29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications2.2 Federal Specificatio

7、n:3PPP-C-2020 Packaging of Chemicals, Liquid, Dry, and Paste2.3 Other Document:OSHA Regulations, 29 CFR paragraphs 1910.1000 and 1910.1200 41 This specification is under the jurisdiction of ASTM Committee D16 on Aromatic Hydrocarbons and Related Chemicals and is the direct responsibility of Subcommi

8、tteeD16.01 on Benzene, Toluene, Xylenes, Cyclohexane and Their Derivatives.Current edition approved July 1, 2011Nov. 1, 2012. Published July 2011December 2012. Originally approved in 1945. Last previous edition approved in 20102011 asD841 10.D841 11. DOI: 10.1520/D0841-11.10.1520/D0841-12.2 For refe

9、renced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.3 Available from Standardization Documents Order Desk, DODSSP, Bldg.

10、 4, Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http:/www.dodssp.daps.mil.4 Available 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.This document is not an ASTM standard and is in

11、tended only to provide the user of an ASTM standard 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 cur

12、rent versionof the standard as published by ASTM is 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 States13. Properties3.1 Nitration gra

13、de tolueneGrade Toluene shall conform to the following requirements:Property Specification ASTM TestMethodAProperty Specification MethodANonaromatic hydrocarbons, max, volume %(wt %)1.5 (1.2) D2360 orD7504Acid wash color, max pass with 2 D848Copper corrosion pass (1A or 1B) D849Appearance B .Color,

14、Pt/Co scale, max 20 D1209 orD5386Distillation range including the temperature110.6C at 101.3 kPa (760 mm Hg pressure),max, C 1.0 D8501,4-dioxane, max, mg/kg as needed D7504A If more than one method is listed, listed for a property the producer and user should agree on the reference method.B Clear li

15、quid free of sediment and haze when observed at 18.3 to 25.6C (65 to 78F).3.2 See Section 6 for non-mandatory supplementary requirements.4. Sampling4.1 The material shall be sampled in accordance with Practice D3437.5. Packaging and Labeling for U.S. Government Procurements5.1 United States Governme

16、nt procurements shall be packaged and labeled in accordance with the applicable paragraphs of Fed.Spec. PPP-C-2020.6. Supplementary Requirements (Non-mandatory)6.1 The following supplementary requirements shall apply only when specified by the purchaser in the purchase order orcontract:Property ASTM

17、 Test Method1,4-dioxane, max, mg/kg D75047. Keywords7.1 tolueneSUMMARY OF CHANGESCommittee D16 has identified the location of selected changes to this standard since the last issue (D841 11)that may impact the use of this standard. (Approved November 1, 2012.)(1) Modified Table 3.1 to eliminate non-

18、mandatory requirements. Added 3.2 and Section 6 to indicate non-mandatory items.SUMMARY OF CHANGESCommittee D16 has identified the location of selected changes to this standard since the last issue(D841 - 10D841 10) that may impact the use of this standard. (Approved July 1, 2011.)(1) Added 1,4-diox

19、ane and Test Method D7504 to Table in 3.1.3.1.D841 122ASTM 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 r

20、ights, 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 reapproved or withdrawn. Your comments are invited either f

21、or 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 you feel that your comments have not received a fair heari

22、ng 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 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 123