1、Designation: D5309 16D5309 17Standard Specification forCyclohexane 9991This standard is issued under the fixed designation D5309; 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 () indicates an editorial change since the last revision or reapproval.1. Scope*Scope1.1 This specification covers a grade of cyclohexane identified as “cyclohexane 999.”1.2 The following applies to all specified limits in this standard: for
3、purposes of determining conformance 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 current OSHA regula
4、tions, suppliers Safety Data Sheets, and local regulations for all materials used in thisspecification.1.4 This international standard was developed in accordance with internationally recognized principles on standardizationestablished in the Decision on Principles for the Development of Internation
5、al Standards, Guides and Recommendations issuedby the World Trade Organization Technical Barriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2D850 Test Method for Distillation of Industrial Aromatic Hydrocarbons and Related MaterialsD3437 Practice for Sampling and Handling Li
6、quid Cyclic ProductsD5386 Test Method for Color of Liquids Using Tristimulus ColorimetryD7183 Test Method for Determination of Total Sulfur in Aromatic Hydrocarbons and Related Chemicals by UltravioletFluorescenceD7266 Test Method for Analysis of Cyclohexane by Gas Chromatography (External Standard)
7、D8005 Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)E29 Practice for Using Significant Digits in Test Data to Determine Conformance with SpecificationsE2680 Test Method for Appearance of Clear, Transparent Liquids (Visual Inspection Procedure)2.2 Other Documents:OSHA Regulations, 29
8、CFR Paragraphs 1910.1000 and 1910.1200 33. Properties3.1 Cyclohexane 999 shall conform to the following requirements:Property Specification ASTMTest MethodPurity, min, weight % 99.90 D7266Benzene, max, mg/kg 50 D7266n-Hexane, max, mg/kg 200 D7266Methylcyclohexane, max, mg/kg 200 D7266Methylcyclopent
9、ane, max, mg/kg 150 D7266Sulfur, max, mg/kgA 1 D7183Sulfur, max, mg/kg 1 D7183AppearanceA 1 This specification is under the jurisdiction of ASTM Committee D16 on Aromatic Hydrocarbons Aromatic, Industrial, Specialty and Related Chemicals and is the directresponsibility of Subcommittee D16.01 on Benz
10、ene, Toluene, Xylenes, Cyclohexane and Their Derivatives.Current edition approved June 1, 2016June 1, 2017. Published June 2016June 2017. Originally approved in 1992. Last previous edition approved in 20132016 asD5309 08 (2013)D5309 16.1. DOI: 10.1520/D5309-16.10.1520/D5309-17.2 For referencedASTM s
11、tandards, visit theASTM website, www.astm.org, or contactASTM 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 U.S. Government Printing Office Superintendent of Documents, 732 N
12、. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401, http:/www.access.gpo.gov.This document is not an ASTM standard and is intended 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 adeq
13、uately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current 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
14、International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1Appearance, free of haze, particulatesor suspended matter particlespass E2680Color, max, Platinum/Cobalt scaleB 10 D5386 or D8005Color, max, Platinum/Cobalt scaleA 10 D5386 or D8005Distillation range,
15、1.0 D850including the temperature 80.7C, at101.3 KPa (760 mmHg) pressure,max,CA Clear liquid free of sediment and haze at 18.3 to 25.6C (65 to 78F).A If If more than one method is listed for a property and there is a dispute, the referee method will be agreed upon between the buyer and the seller.4.
16、 Sampling4.1 Sample the material in accordance with Practice D3437.5. Keywords5.1 cyclohexane 999SUMMARY OF CHANGESCommittee D16 has identified the location of selected changes to this standard since the last issue(D530908(2013)1) that may impact the use of this standard. (Approved June 1, 2016.)(1)
17、 Removed D1209 and added D8005 in Section 2.(2) Modified table in 3.1 to replace D1209 with D8005.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 determ
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