STP1036

    Testing Methods for Water Dispersible Granules

    Published: Jan 1989


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    Abstract

    The water dispersible granule formulation has become a significant form of pesticidal delivery system. With this rise in the production of water dispersible granules, testing has become a priority. This paper outlines the methods used to test the quality of a water dispersible granule prior to field use. The test areas discussed are dispersibility or suspendibility, fertilizer and co-pesticide compatibility and wettability. All these areas contain many test methods by which to evaluate a water dispersible granule. The most popular methods are discussed.

    Keywords:

    water dispersible granules, dispersion, suspension, dry flowable, wettability, compatibility


    Author Information:

    Munie, LA
    Agricultural Formulations ChemistCommercial Development SupervisorAgricultural Formulations Manager, Stepan CompanyStepan CompanyStepan Company, WinderNorthfieldWinder, GAILGA

    Gorman, WA
    Agricultural Formulations ChemistCommercial Development SupervisorAgricultural Formulations Manager, Stepan CompanyStepan CompanyStepan Company, WinderNorthfieldWinder, GAILGA

    Collins, HM
    Agricultural Formulations ChemistCommercial Development SupervisorAgricultural Formulations Manager, Stepan CompanyStepan CompanyStepan Company, WinderNorthfieldWinder, GAILGA


    Paper ID: STP22915S

    Committee/Subcommittee: E35.22

    DOI: 10.1520/STP22915S


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