ASTM D841-2002 Standard Specification for Nitration Grade Toluene《硝化级甲苯标准规范》.pdf

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1、Designation: D 841 02Standard Specification forNitration Grade Toluene1This standard is issued under the fixed designation D 841; 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 in

2、dicates the year of last reapproval. Asuperscript epsilon (e) 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

3、 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 E 29.1.3 Consult OSHA regulations, suppliers Material SafetyData Sheets,

4、 and local regulations for all materials used in thisspecification.2. Referenced Documents2.1 ASTM Standards:D 848 Test Method for Acid Wash Color of IndustrialAromatic Hydrocarbons2D 849 Test Method for Copper Strip Corrosion of IndustrialAromatic Hydrocarbons2D 850 Test Method for Distillation of

5、Industrial AromaticHydrocarbons and Related Materials2D 1209 Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)2D 2360 Test Method for Trace Impurities in MonocyclicAromatic Hydrocarbons by Gas Chromatography2D 3437 Practice for Sampling and Handling Liquid CyclicProducts2D 5386 Test Met

6、hods for Color of Liquids Using Tristimu-lus Colorimetry2E 29 Practice for Using Significant Digits in Test Data toDetermine Conformance with Specifications32.2 Federal Specification:4PPP-2020 Packaging of Chemicals, Liquid, Dry, and Paste2.3 Other Document:OSHA Regulations, 29 CFR, paragraphs 1910.

7、1000 and1910.120053. Properties3.1 Nitration grade toluene shall conform to the followingrequirements:ASTM TestProperty Specification MethodNonaromatic hydrocarbons, max, volume %(wt %)1.5 (1.2) D 2360Acid wash color, max pass with 2 D 848Copper corrosion pass (1A or 1B) D 849AppearanceA.Color, Pt/C

8、o scale, max 20 D 1209 orD 5386Distillation range including the temperature110.6C at 101.3 kPa (760 mm Hg pressure),max, C1.0 D 850AClear 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 D 3437.5. Packa

9、ging and Labeling for U.S. GovernmentProcurements5.1 United States 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 Hydrocar

10、bons and Related Chemicals and is the direct responsibility ofSubcommittee D 16.01 on Benzene, Toluene, Xylenes, Cyclohexane, and TheirDerivatives.Current edition approved Jan. 10, 2002. Published March 2002. Originallypublished as D 841 45 T. Previous edition D 841 97.2Annual Book of ASTM Standards

11、, Vol 06.04.3Annual Book of ASTM Standards, Vol 14.02.4Available from Standardization Documents Order Desk, DODSSP, Bldg. 4,Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098.5Available from U.S. Government Printing Office Superintendent of Documents,732 N. Capitol St., NW, Mail Stop: SDE, Was

12、hington, DC 20401.1*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.SUMMARY OF CHANGESCommittee D16 has identified the location of selected changes to this standard sinc

13、e the last issue (D 841 - 97)that may impact the use of this standard.(1) Section 3.1removed specifications for Density and Rela-tive Density.(2) Section 2.1removed references to ASTM StandardsD 3505 and D 4052, Test Methods for Density and RelativeDensity.ASTM International takes no position respec

14、ting 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 infringement of such rights, are entirely their own responsibility.This sta

15、ndard 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 standard or for additional standardsand should be addressed to ASTM Internati

16、onal 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 views known to the ASTM Committee on Standards, at the address shown below

17、.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).D841022