ASTM D3620-2004(2009) Standard Specification for Glacial Acetic Acid《冰乙酸的标准规范》.pdf
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1、Designation: D 3620 04 (Reapporved 2009)Standard Specification forGlacial Acetic Acid1This standard is issued under the fixed designation D 3620; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number i
2、n 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 glacial (99.8 %) acetic acid foruse in paint, varnish, lacquer, and related products.1.2 The following applies to al
3、l 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 Practi
4、ce E29.1.3 The values stated in SI units are to be regarded as thestandard. The values given in parentheses are for informationonly.1.4 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 establ
5、ish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.1.5 For specific hazard information and guidance, see thesuppliers Material Safety Data Sheet for materials listed in thisspecification.2. Referenced Documents2.1 ASTM Standards:2D 21
6、91 Test Method for Acetaldehyde Content of VinylAcetateD 3546 Test Method for FormicAcid in GlacialAceticAcidE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE 180 Practice for Determining the Precision of ASTMMethods for Analysis and Testing of Indus
7、trial and Spe-cialty ChemicalsE 300 Practice for Sampling Industrial ChemicalsE 302 Test Methods for Monobasic Organic Acids (Discon-tinued 2001)3E 394 Test Method for Iron in Trace Quantities Using the1,10-Phenanthroline Method2.2 U.S. Federal Specification:PPP-C-2020 Chemicals, Liquid, Dry, and Pa
8、ste: Packagingof43. Properties3.1 Glacial acetic acid shall conform to the followingrequirements:Acetic acid, weight %, min 99.8Freezing point, C, min 16.2Color, Pt-Co scale, max 10Water content, weight %, max 0.16Iron, ppm (mg/kg), max 0.40Acetaldehyde, weight %, max 0.05Formic acid, weight %, max
9、0.094. Sampling4.1 The material shall be sampled in accordance withPractice E 300.5. Test Methods5.1 The properties enumerated in this specification shall bedetermined in accordance with the following ASTM testmethods:5.1.1 PurityTest Methods E 302 estimates the purity fromthe freezing point.5.1.2 F
10、reezing PointTest Methods E 302.5.1.3 ColorTest Methods E 302.5.1.4 WaterTest Methods E 302.5.1.5 IronTest Method E 394, using a 20-mL specimendiluted to 80 mL with water.5.1.5.1 ReportReport the iron content to the nearest 0.01ppm (mg/kg). Duplicates that agree within 0.07 ppm absoluteare acceptabl
11、e for averaging (95 % confidence level).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
12、June 1, 2009. Published June 2009. Originallyapproved in 1977. Last previous edition approved in 2004 as D 3620 04.2For 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 t
13、he standards Document Summary page onthe ASTM website.3Withdrawn. The last approved version of this historical standard is referencedon www.astm.org.4Available from Standardization Documents Order Desk, DODSSP, Bldg. 4,Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http:/www.dodssp.daps.m
14、il.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.5.1.5.2 Precision5The precision statements are basedupon an interlaboratory study in which one operator in eightdiff
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