分享
ASTM_D_5248_-_04_2020.pdf
下载文档

ID:176430

大小:75.10KB

页数:2页

格式:PDF

时间:2023-03-04

收藏 分享赚钱
温馨提示:
1. 部分包含数学公式或PPT动画的文件,查看预览时可能会显示错乱或异常,文件下载后无此问题,请放心下载。
2. 本文档由用户上传,版权归属用户,汇文网负责整理代发布。如果您对本文档版权有争议请及时联系客服。
3. 下载前请仔细阅读文档内容,确认文档内容符合您的需求后进行下载,若出现内容与标题不符可向本站投诉处理。
4. 下载文档时可能由于网络波动等原因无法下载或下载错误,付费完成后未能成功下载的用户请联系客服处理。
网站客服:3074922707
TM_D_5248_ _04_2020
Designation:D524804(Reapproved 2020)Standard Specification forReclaimed 1,1,2-Trichloro 1,2,2-Trifluoroethane1This standard is issued under the fixed designation D5248;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 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 three grades of 1,1,2-trichloro 1,2,2-trifluoroethane2typically needed in variousindustries.It may be used as a reference document by purchas-ers or by persons establishing in-house,1,1,2-trichloro 1,2,2-trifluoroethane recovery programs.1.2 This international standard was developed in accor-dance with internationally recognized principles on 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Documents2.1 ASTM Standards:3D1064 Test Methods for Iron in Rosin Tall Oil Fatty Acidsand Other Related Products(Withdrawn 2002)4D2108 Test Method for Color of Halogenated OrganicSolvents and Their Admixtures(Platinum-Cobalt Scale)D2109 Test Methods for Nonvolatile Matter in HalogenatedOrganic Solvents and Their AdmixturesD2111 Test Methods for Specific Gravity and Density ofHalogenated Organic Solvents and Their AdmixturesD3401 Test Methods for Water in Halogenated OrganicSolvents and Their AdmixturesD3443 Test Method for Chloride in TrichlorotrifluoroethaneD3444 Test Method for Total Acid Number of Trichlorotri-fluoroethaneD3741 Test Methods for Appearance of Admixtures Con-taining Halogenated Organic SolventsD6806 Practice for Analysis of Halogenated Organic Sol-vents and Their Admixtures by Gas Chromatography3.Classification3.1 Type IGenerally recognized for use in precision ap-plications.3.2 Type IIUse for less demanding precision applications.3.3 Type IIIGeneral-purpose technical grade.4.Properties4.1 Reclaimed 1,1,2-trichloro 1,2,2-trifluoroethane Type Ishall meet the requirements prescribed in Table 1.4.2 Reclaimed 1,1,2-trichloro 1,2,2-trifluoroethane Type IIshall meet the requirements prescribed in Table 2.4.3 Reclaimed 1,1,2-trichloro 1,2,2-trifluoroethane Type IIIshall meet the requirements prescribed in Table 3.5.Keywords5.1 1,1,2-trichloro 1,2,2-trifluoroethane;CFC 113;Type I;Type II;Type III1This specification is under the jurisdiction of ASTM Committee D26 onHalogenated Organic Solvents and Fire Extinguishing Agents and is the directresponsibility of Subcommittee D26.02 on Vapor Degreasing.Current edition approved April 1,2020.Published April 2020.Originallyapproved in 1992.Last previous edition approved in 2015 as D524804(2015).DOI:10.1520/D524804R20.21,1,2-trichloro 1,2,2-trifluoroethane:CAS No.76-13-1.3For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.4The last approved version of this historical standard is referenced onwww.astm.org.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 standardization 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.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 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 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 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.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 sta

此文档下载收益归作者所有

下载文档
你可能关注的文档
收起
展开