ASTM_E_2470_-_09_2015.pdf

Designation:E247009(Reapproved 2015)Standard Specification forPolyester Grade Ethylene Glycol1This standard is issued under the fixed designation E2470;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 polyester grade ethylene gly-col.1.2 Review the current Materials Safety Data Sheets(MSDS)for detailed information concerning toxicity,first aidprocedures,handling and safety precautions.1.3 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 E29.1.4The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.5 The following safety hazards caveat pertains only to thetest methods portion,Section 5,described in this specification:This standard does not purport to address all of the safetyconcerns,if any,associated with its use.It is the responsibilityof the user of this standard to establish appropriate safety andhealth practices and determine the applicability of regulatorylimitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D482 Test Method for Ash from Petroleum ProductsD1078 Test Method for Distillation Range of Volatile Or-ganic LiquidsD1209 Test Method for Color of Clear Liquids(Platinum-Cobalt Scale)D1722 Test Method for Water Miscibility of Water-SolubleSolventsD4052 Test Method for Density,Relative Density,and APIGravity of Liquids by Digital Density MeterE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE202 Test Methods for Analysis of Ethylene Glycols andPropylene GlycolsE300 Practice for Sampling Industrial ChemicalsE1064 Test Method for Water in Organic Liquids by Coulo-metric Karl Fischer TitrationE1615 Test Method for Iron in Trace Quantities Using theFerroZine MethodE2193 Test Method for Ultraviolet Transmittance of Mono-ethylene Glycol(Ultraviolet Spectrophotometric Method)E2313 Test Method for Aldehydes in Mono-,Di-,andTriethylene Glycol(Spectrophotometric Method)E2409 Test Method for Glycol Impurities in Mono-,Di-,Tri-and Tetraethylene Glycol and in Mono-and DipropyleneGlycol(Gas Chromatographic Method)E2469 Test Method for Chloride in Mono-,Di-and Tri-ethylene Glycol by Ion ChromatographyE2679 Test Method for Acidity in Mono-,Di-,Tri-andTetraethylene Glycol byNon-Aqueous PotentiometricTitrationE2680 Test Method for Appearance of Clear,TransparentLiquids(Visual Inspection Procedure)3.Requirements3.1 Polyester grade ethylene glycol shall conform to thespecification chemical and physical requirements(see Table 1).4.Sampling4.1 Sample ethylene glycol in accordance with the appro-priate sections of Practice E300 for liquid samples.5.Test Methods5.1 Test each composite sample for chemical and physicalrequirements using the test methods specified in 3.1.Many ofthese test methods,along with alternative test methods andtechnologies,can be found in Test Methods E202.In case of adispute,test methods identified in 3.1 of this specification shallbe the preferred test methods.1This specification is under the jurisdiction of ASTM Committee E15 onIndustrial and Specialty Chemicals and is the direct responsibility of SubcommitteeE15.02 on Product Standards.Current edition approved June 1,2015.Published June 2015.Originallyapproved in 2009.Last previous edition approved in 2009 as E2470-09.DOI:10.1520/E2470-09R15.2For 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.*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 6.Packaging,Package Markings,and Transportation6.1 The packaging,labeling,and transportation of commer-cial quantities shall conform to applicable federal,state,andlocal regulation.Conformance is the responsibility of themanufacturer and the shipper.7.Keywords7.1 ethylene glycol;polyester gradeSUMMARY OF CHANGESSubcommittee E15.02 has identified the location of selected changes to this standard since the last issue(E2470-07)that may impact the use of this standard.(1)Replaced two test methods within the specification with testmethods that have been recently adopted by E15 and reflectnewer technologies used in the industry.(2)Section 2,Referenced Documents,was revised.(3)Table 1 was revised.(4)Added Summary of Changes section.ASTM Inter