1、Designation: E2470 09Standard 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 parent
2、heses 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 The following safety hazards caveat pertains only to thetest methods portion, Section 5
3、, 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 pr
4、ior to use.1.3 Review the current Materials Safety Data Sheets(MSDS) for detailed information comcerning toxicity, first aidprocedures, handling and safety precautions.1.4 The following applies to all specified limits in thisstandard; for purposes of determining conformance with thisstandard, an obs
5、erved 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 E29.1.5 The values stated in SI units are to be regarded asstandard. No other units of measurement
6、 are included in thisstandard.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
7、 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 Pract
8、ice for Sampling Industrial ChemicalsE1064 Test Method for Water in Organic Liquids by Cou-lometric Karl Fischer TitrationE1615 Test Method for Iron in Trace Quantities Using theFerroZine MethodE2193 Test Method for Ultraviolet Transmittance of Mono-ethylene Glycol (Ultraviolet Spectrophotometric Me
9、thod)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 (Gas ChromatographicMethod)E2469 Test Method for Chloride in Mono-, Di- and Tri-ethylene Glycol by Ion Chromatograp
10、hyE2679 Test Method for Acidity in Mono-, Di-, Tri- andTetraethylene Glycol byNon-Aqueous Potentiometric Ti-trationE2680 Test Method for Appearance of Clear, TransparentLiquids (Visual Inspection Procedure)3. Requirements3.1 Polyester grade ethylene glycol shall conform to thespecification chemical
11、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 tes
12、t methods, along with alternative test methods and1This 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 Oct. 1, 2009. Published November 2009. DOI:1
13、0.1520/E2470-09.2For 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.1*A Summary of Changes section appears at the
14、 end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.technologies, 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.6. Pac
15、kaging, 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 gradeS
16、UMMARY 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 withtest methods that have been recently adopted by E15 and reflectnewe
17、r technologies used in the industry.(2) Section 2, Referenced Documents, was revised.(3) Table 1 was revised.(4) Added Summary of Changes section.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of
18、 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
19、 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 co
20、mmittee, 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
21、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).TABLE 1 Chemical and Physical Speci
22、fication RequirementsSpecification Requirements min max ASTM Test MethodAcidity as Acetic Acid, % mass (m/m) 0.002 E2679Aldehydes as Acetaldehyde, ug/g not reported E2313Appearance, Clear & Free from Suspended Matter pass E2680Chloride as Cl, ug/g 0.2 E2469Color, platinum cobalt 5 D1209GlycolsEthyle
23、ne glycol, % mass (m/m)Diethylene glycol, % mass (m/m)99.90.05E2409Iron, ug/g 0.1 E1615Ultraviolet Transmittanceat 220 nm, %Tat 250 nm, %Tat 275 nm, %Tat 350 nm, %T70909498E2193Water, % mass (m/m) 0.05 E1064Typical Properties min max ASTM Test MethodAsh, % mass (m/m) 0.004 D482Distillation RangeInitial Boiling Point, CDry Point, C196200D1078Relative Density at20/20 Cor25/25 C1.1151or1.11291.1156or1.1134D4052Water Miscibility miscible D1722E2470 092
