ASTM E2470-2007 Standard Specification for Polyester Grade Ethylene Glycol《聚酯级乙二醇的标准规范》.pdf
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1、Designation: E 2470 07Standard Specification forPolyester Grade Ethylene Glycol1This standard is issued under the fixed designation E 2470; 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 pare
2、ntheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers polyester grade ethylene gly-col.1.2 The following safety hazards caveat pertains only to thetest methods portion, Section
3、 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
4、prior 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 o
5、bserved 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 as thestandard.2. Referenced Documents2
6、.1 ASTM Standards:2D 482 Test Method for Ash from Petroleum Products3D 1078 Test Method for Distillation Range of VolatileOrganic Liquids4D 1209 Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)4D 1613 Test Method for Acidity in Volatile Solvents andChemical Intermediates Used in Paint,
7、 Varnish, Lacquer,and Related Products4D 1722 Test Method for Water Miscibility of Water-SolubleSolvents3D 4052 Test Method for Density and Relative Density ofLiquids by Digital Density Meter3D 4176 Test Method for Free Water and Particulate Con-tamination in Distillate Fuels (Visual Inspection Proc
8、e-dures)3E29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE 202 Test Methods for Analysis of Ethylene Glycols andPropylene Glycols4E 300 Practice for Sampling Industrial ChemicalsE 1064 Test Method for Water in Organic Liquids byCoulometric Karl Fisch
9、er Titration5E 1615 Test Method for Iron in Trace Quantities Using theFerroZine Method5E 2193 Test Method for Ultraviolet Transmittance of Mo-noethylene Glycol (Ultraviolet SpectrophotometricMethod)5E 2313 Test Method for Aldehydes in Mono-, Di-, andTriethylene Glycol (Spectrophotometric Method)5E 2
10、409 Test Method for Glycol Impurities in Mono-, Di-,Tri- and Tetraethylene Glycol (Gas ChromatographicMethod)5E 2469 Test Method for Chloride in Monoethylene Glycolby Ion Chromatography53. Requirements3.1 Polyester grade ethylene glycol shall conform to thespecification chemical and physical require
11、ments (see Table 1).4. Sampling4.1 Sample ethylene glycol in accordance with the appro-priate sections of Practice E 300 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 wi
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