ASTM D5659 - 14

    Standard Test Method for Chlorophenoxy Acid Herbicides in Waste Using HPLC

    Active Standard ASTM D5659 | Developed by Subcommittee: D34.01.06

    Book of Standards Volume: 11.04

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    Significance and Use

    4.1 Phenoxy acid herbicides are used extensively for weed control. Esters and salts of 2,4-D, 2,4,5-T, and Silvex have been used for agricultural crop and lawn care.

    1. Scope

    1.1 This test method covers the analysis of 2,4-dichlorophenoxyacetic acid (2,4-D), 2,4,5-trichlorophenoxyacetic acid (2,4,5-T), and 2,4,5-trichlorophenoxypropionic acid (silvex) in liquids and solids, using high performance liquid chromatography with an ultraviolet detector (HPLC/UV). This test method is applicable for a concentration range from approximately 50 to 1000 ppm. This range takes into consideration the sample preparation and dilutions outlined in Section 10. Lower detection levels can be obtained by using larger sample sizes, smaller total final volumes, or with the use of in-line or solid phase extraction, concentration, or cleanup, or combinations thereof.

    1.2 The chlorophenoxy herbicides may be present as a variety of salts or esters, which are converted to, analyzed, and reported as their respective acids.

    1.3 This test method is applicable to liquid and solid waste and waste extract matrices including aqueous, oil, spent solvent, soil, ash, leachates, etc.

    1.4 This test method may be applicable to other phenoxy acid herbicides.

    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 and health practices and determine the applicability of regulatory limitations prior to use. See Section 7 and 10.3.1 for specific precautionary statements.

    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

    ICS Code

    ICS Number Code 13.030.30 (Special wastes)

    UNSPSC Code

    UNSPSC Code 10171700(Herbicides)

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

    DOI: 10.1520/D5659-14

    Citation Format

    ASTM D5659-14, Standard Test Method for Chlorophenoxy Acid Herbicides in Waste Using HPLC, ASTM International, West Conshohocken, PA, 2014,

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