ASTM D6126-2011 0000 Standard Specification for HFC-23 (Trifluoromethane CHF3)《HFC-23(三氟甲烷 CHF3)的标准规格》.pdf
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1、Designation: D6126 11Standard Specification forHFC-23 (Trifluoromethane, CHF3)1This standard is issued under the fixed designation D6126; 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 parent
2、heses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers the requirements for HFC-23as a fire fighting medium.1.2 This specification does not address the fire fightingequipment or ha
3、rdware that employs HFC-23 or the conditionsof employing such equipment (for example: handshields, fixedinstallations, etc.).1.3 This specification does not address the storage ortransportation of HFC-23 Storage handling, and transportationissues are addressed in Practice D6127.1.4 The values stated
4、 in both inch-pound and SI units are tobe regarded separately as the standard. The values given inparentheses are for information only.1.5 The following safety hazards caveat pertains to the testmethods portion, Section 6, of this specification: This standarddoes not purport to address all of the sa
5、fety concerns, if any,associated with its use. It is the responsibility of the user of thisstandard to establish appropriate safety and health practicesand determine the applicability of regulatory limitations priorto use.2. Referenced Documents2.1 ASTM Standards:2D6127 Practice for Handling, Transp
6、ortation, and Storageof HFC-23 (Trifluoromethane, CHF3)D6806 Practice for Analysis of Halogenated Organic Sol-vents and Their Admixtures by Gas Chromatography2.2 ISO Standards:ISO 3427 Gaseous Halogenated Hydrocarbons (LiquefiedGases) - Taking a Sample32.3 ARI Standards:42008 Appendix C Analytical P
7、rocedures for ARI Standard700-20062.4 U.S. Government Standards:Code of Federal Regulations (CFR) Title 49, Part 172.101Tables of Hazardous Materials and Special Provisions5Code of Federal Regulations (CFR) Title 49, Part 172 SubD Marking Requirements of Packaging for Transporta-tion52.5 American So
8、ciety of Refrigeration Engineers:ASRE Standard 34, Designation of Refrigerants63. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 halogenated hydrocarbonthe halogenated com-pound coding terminology system provides a convenientmeans to reference halogenated hydrocarbons, ASRE 34.H
9、alogenated hydrocarbons are saturated hydrocarbons inwhich one or more of the hydrogen atoms have been replacedby atoms of the halogen series (fluorine, chlorine, bromine, andiodine). It is convention to prefix the number with an abbre-viation of the compound:CFC = chlorofluorocarbonHCFC = hydrochlo
10、rofluorocarbonHFC = hydrofluorocarbonFC = fluorocarbonR = refrigerant3.1.1.1 DiscussionBy definitions, the right most digit ofthe numbering system is the number of fluorine atoms.3.1.1.2 DiscussionThe second digit from the right is thenumber of hydrogen atoms plus one (+1).3.1.1.3 DiscussionThe thir
11、d digit from the right is oneless (-1) than number of carbon atoms in the compound (whenthis number is zero (0) it is omitted from the number.1This specification is under the jurisdiction of ASTM Committee D26 onHalogenated Organic Solvents and Fire Extinguishing Agents and is the directresponsibili
12、ty of Subcommittee D26.09 on Fire Extinguishing Agents.Current edition approved Jan. 1, 2011. Published August 2011. Originallyapproved in 1997. Last previous edition approved in 2003 as D6126 - 97(2003)1.DOI: 10.1520/D6126-11.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orc
13、ontact 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 American National Standards Institute, 11 W. 42nd St., 13thFloor, New York, NY 10036.4Available from the Air Condition
14、ing, Heating and Refrigeration Institute, 4100North Fairfax Drive, Suite 200, Arlington, VA, 22203-1678.5Available from Superintendent of Documents, U.S. Government PrintingOffice, Washington, DC 20036.6Available from American Society of Refrigeration Engineers, RefrigerationEngineering 65. 49 (1957
15、).1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.3.1.1.4 DiscussionUnaccounted for valance requirementsare assumed to be chlorine atoms.3.1.1.5 DiscussionWhen the compound contains bromineor iodine, the same rules apply except the l
16、etter “B” forbromine or “I” for iodine follows the parent compounddesignated number and the number of the atoms is placed afterthe letter.3.1.1.6 DiscussionExampleCHF3= R-23 = HFC-23.3.1.2 HFC-23the compound trifluoromethane; CHF3.4. Material Requirements4.1 Nitrogen (N2) partial pressure is not req
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