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This specification covers polyester grade ethylene glycol. Sampled specimens shall undergo tests, for which the following chemical and physical requirements should be met: acidity (as acetic acid); aldehydes (acetaldehyde) content; appearance; chloride content; color (Pt-Co scale); glycols (as ethylene and diethylene glycol) content; iron content; ultraviolet transmittance; water content; ash content; distillation range (initial boiling point and dry point); relative density; and water miscibility.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1.1 This specification covers polyester grade ethylene glycol.
1.2 The following safety hazards caveat pertains only to the test methods portion, Section 5, described in this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
1.3 Review the current Materials Safety Data Sheets (MSDS) for detailed information comcerning toxicity, first aid procedures, handling and safety precautions.
1.4 The following applies to all specified limits in this standard; for purposes of determining conformance with this standard, an observed value or a calculated value shall be rounded off “to the nearest unit” in the last right-hand digit used in expressing the specification limit, in accordance with the rounding-off method of Practice E29.
1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D482 Test Method for Ash from Petroleum Products
D1078 Test Method for Distillation Range of Volatile Organic Liquids
D1209 Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)
D1722 Test Method for Water Miscibility of Water-Soluble Solvents
D4052 Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E202 Test Methods for Analysis of Ethylene Glycols and Propylene Glycols
E300 Practice for Sampling Industrial Chemicals
E1064 Test Method for Water in Organic Liquids by Coulometric Karl Fischer Titration
E1615 Test Method for Iron in Trace Quantities Using the FerroZine Method
E2193 Test Method for Ultraviolet Transmittance of Monoethylene Glycol (Ultraviolet Spectrophotometric Method)
E2313 Test Method for Aldehydes in Mono-, Di-, and Triethylene Glycol (Spectrophotometric Method)
E2409 Test Method for Glycol Impurities in Mono-, Di-, Tri- and Tetraethylene Glycol (Gas Chromatographic Method)
E2469 Test Method for Chloride in Mono-, Di- and Tri-ethylene Glycol by Ion Chromatography
E2679 Test Method for Acidity in Mono-, Di-, Tri- and Tetraethylene Glycol byNon-Aqueous Potentiometric Titration
E2680 Test Method for Appearance of Clear, Transparent Liquids (Visual Inspection Procedure)
ICS Number Code 71.080.60 (Alcohols. Ethers)
UNSPSC Code 12352121(Organic hydroxides)