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_3540_
_12
Designation:D354012Standard Specification forPrimary Amyl Acetate,Synthetic(98%Grade)1This standard is issued under the fixed designation D3540;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.Scope*1.1 This specification covers synthetic primary amyl acetate(98%grade).1.2 The following applies to all specified limits in thisstandard;for purposes of determining conformance 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 E29.1.3 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.4 For specific hazard information and guidance,see thesuppliers Material Safety Data Sheet for material listed in thisspecification.1.5 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D268 Guide for Sampling and Testing Volatile Solvents andChemical Intermediates for Use in Paint and RelatedCoatings and MaterialD1078 Test Method for Distillation Range of Volatile Or-ganic LiquidsD1209 Test Method for Color of Clear Liquids(Platinum-Cobalt Scale)D1364 Test Method for Water in Volatile Solvents(KarlFischer Reagent Titration Method)D1476 Test Method for Heptane Miscibility of LacquerSolventsD1613 Test Method for Acidity in Volatile Solvents andChemical Intermediates Used in Paint,Varnish,Lacquer,and Related ProductsD1617 Test Method for Ester Value of Solvents and ThinnersD4052 Test Method for Density,Relative Density,and APIGravity of Liquids by Digital Density MeterD5386 Test Method for Color of Liquids Using TristimulusColorimetryE1 Specification for ASTM Liquid-in-Glass ThermometersE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE300 Practice for Sampling Industrial Chemicals2.2 U.S.Federal Specification:PPP-C-2020 Chemicals,Liquid,Dry,and Paste:Packagingof33.Properties3.1 Primary amyl acetate shall conform to the followingrequirements:4Apparent specific gravity:20/20Cor25/25C0.874 to 0.8790.870 to 0.875Color Pt-Co units,maxA15Distillation,C at 760 mmHgInitial boiling point,minDry point,max142152Water,wt%,max40.2Acidity(free acid as acetic acid),wt%,max0.01Ester value,wt%,min98.0AInstrumental Pt-Co color determined by Test Method D5386 have been shown tohave no statistically significant difference from Pt-Co color determined by TestMethod D1209.However,it is not known whether n-propyl alcohol was part of thesample set included in the interlaboratory study.4.Sampling4.1 The material shall be sampled in accordance withPractice E300.1This specification is under the jurisdiction of ASTM Committee D01 on Paintand Related Coatings,Materials,and Applications and is the direct responsibility ofSubcommittee D01.35 on Solvents,Plasticizers,and Chemical Intermediates.Current edition approved Nov.1,2012.Published January 2013.Originallyapproved in 1976.Last previous edition approved in 2006 as D3540 06.DOI:10.1520/D3540-12.2For 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.3Available from Standardization Documents Order Desk,DODSSP,Bldg.4,SectionD,700RobbinsAve.,Philadelphia,PA19111-5098,http:/dodssp.daps.dla.mil.4This quantitative water limit ensures that the material is miscible withoutturbidity with 19 volumes of heptane at 20C.*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 States1 5.Test Methods5.1 The properties enumerated in this specification shall bedetermined in accordance with the following ASTM methods:5.1.1 Apparent Specific GravityDetermine the apparentspecific gravity by any convenient method that is accurate tothe third decimal place,the temperature of both the specimenand water being either 20 or 25C.See Guide D268 or TestMethod D4052.5.1.2 ColorTest Method D1209.5.1.3 Distillation RangeTest Method D1078 using anASTM Solvents Distillation Thermometer 102C having arange from 123 to 177C and conforming to the requirementsin Specification E1.Thermometric devices such as RTDs,thermistors and liquid-in-glass thermometers of equal or betteraccuracy in the specified temperature range,may be used.5.1.4 WaterTest Methods D1364 and D1476.5.1.5