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    ASTM E2313 - 21

    Standard Test Method for Aldehydes in Mono-, Di-, and Triethylene Glycol (using Spectrophotometry)

    Active Standard ASTM E2313 | Developed by Subcommittee: D16.14

    Book of Standards Volume: 06.04

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    Significance and Use

    5.1 Knowledge of the total aldehyde content of MEG is required to establish whether the product meets the requirements of its quality specifications.

    1. Scope

    1.1 This test method describes the spectrophotometric determination of total aldehyde content in mono-, di-, and triethylene glycol (MEG, DEG, and TEG). Alkoxyalcohols (hemiacetals), if present, are co-determined, whereas dialkoxyalkanes (acetals), if present, are not. The results provide a measure of the purity of the sample with respect to total aldehyde content.

    1.2 This test method is applicable to samples with total aldehyde concentration (as acetaldehyde) to 50 mg/kg or 35 mg/kg (as formaldehyde). The limit of detection (LOD) is 0.4 mg/kg and the limit of quantitation is 1.2 mg/kg.

    Note 1: LOD and LOQ were calculated using the lowest level sample in the ILS.

    1.3 The following applies for the purposes of determining the conformance of the test results using this test method to applicable specifications, results shall be rounded off in accordance with the rounding-off method of Practice E29.

    1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

    1.5 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. For specific hazard statements, see Section 8 and 7.1.1 – 7.1.6.

    1.6 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

    D1193 Specification for Reagent Water

    D2194 Test Method for Concentration of Formaldehyde Solutions

    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

    E180 Practice for Determining the Precision of ASTM Methods for Analysis and Testing of Industrial and Specialty Chemicals

    E275 Practice for Describing and Measuring Performance of Ultraviolet and Visible Spectrophotometers

    E288 Specification for Laboratory Glass Volumetric Flasks

    E300 Practice for Sampling Industrial Chemicals

    E969 Specification for Glass Volumetric (Transfer) Pipets

    E1547 Terminology Relating to Industrial and Specialty Chemicals

    Other Document

    Manufacturer’s Instruction Manual of Spectr

    ICS Code

    ICS Number Code 71.040.40 (Chemical analysis)

    UNSPSC Code

    UNSPSC Code 12352305(Inorganic hydroxides)

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/E2313-21

    Citation Format

    ASTM E2313-21, Standard Test Method for Aldehydes in Mono-, Di-, and Triethylene Glycol (using Spectrophotometry), ASTM International, West Conshohocken, PA, 2021, www.astm.org

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