ASTM D8311 - 20

    Standard Test Method for Impurities in Monoethylene Glycol by Gas Chromatography with Normalization

    Active Standard ASTM D8311 | Developed by Subcommittee: D16.14

    Book of Standards Volume: 06.04

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    Significance and Use

    4.1 This test method is suitable for setting specifications and for use as an internal quality control tool where these products are produced or are used. Typical impurities are: 1,3-dioxolane-2-methanol, diethylene glycol, and triethylene glycol.

    4.2 This method may not detect all components and there may be unknown components that would be assigned inappropriate relative calibration factors and thus, the results may not be absolute.

    1. Scope

    1.1 This test method covers the gas chromatographic determination of impurities in monoethylene glycol including 1,3-dioxolane-2-methanol, diethylene glycol (DEG) and triethylene glycol (TEG). The purity of monoethylene glycol (MEG) is also calculated. A similar test method, using the internal standard calibration technique and the external standard calibration technique, is Test Method E2409.

    1.2 This test method is applicable for monoethylene glycol purities of 98.0 mass % or higher.

    1.3 The limit of detection (LOD) for 1,3-dioxolane-2-methanol, DEG and TEG is 0.0002 mass %.

    1.4 In determining the conformance of the test results using this method to applicable specifications, results shall be rounded off 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.

    1.6 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

    1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D6809 Guide for Quality Control and Quality Assurance Procedures for Aromatic Hydrocarbons and Related Materials

    E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

    E300 Practice for Sampling Industrial Chemicals

    E355 Practice for Gas Chromatography Terms and Relationships

    E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method

    E1064 Test Method for Water in Organic Liquids by Coulometric Karl Fischer Titration

    E1510 Practice for Installing Fused Silica Open Tubular Capillary Columns in Gas Chromatographs

    E2409 Test Method for Glycol Impurities in Mono-, Di-, Tri- and Tetraethylene Glycol and in Mono- and Dipropylene Glycol(Gas Chromatographic Method)

    Other Document

    OSHA Regulations, 29 CFR

    Referencing This Standard
    Link Here
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    DOI: 10.1520/D8311-20

    Citation Format

    ASTM D8311-20, Standard Test Method for Impurities in Monoethylene Glycol by Gas Chromatography with Normalization, ASTM International, West Conshohocken, PA, 2020,

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