STP851

    Rapid Extraction Methods for Organics in Soil

    Published: Jan 1984


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    Abstract

    This article presents rapid methods for the extraction and subsequent analysis of organics in soils potentially contaminated from chemical wastes. A methylene chloride extraction, on both a micro scale in a syringe and a macro scale in a shaken flask, with subsequent gravimetric analysis are described. On wet soils, anhydrous sodium sulfate is added to bind the water before adding methylene chloride and mixing with a vortex touch mixer. A baseline procedure is the direct gravimetric determination of volatile organics corrected with a Karl Fischer determination of water. Estimates of time saved by using the rapid methods, as well as precision and accuracy data, are presented.

    Keywords:

    soil, extraction, chemical solvent extraction, microextraction, organic chemicals, chemical wastes, gravimetric analysis, hazardous wastes, industrial wastes


    Author Information:

    Petros, JK
    Project scientist, development scientist, and corporate development fellow, Union Carbide Corp., Engineering and Technology Services Division, Research and Development Dept., South Charleston, W. Va.

    Alsop, GM
    Project scientist, development scientist, and corporate development fellow, Union Carbide Corp., Engineering and Technology Services Division, Research and Development Dept., South Charleston, W. Va.

    Conway, RA
    Project scientist, development scientist, and corporate development fellow, Union Carbide Corp., Engineering and Technology Services Division, Research and Development Dept., South Charleston, W. Va.


    Paper ID: STP32696S

    Committee/Subcommittee: D34.09

    DOI: 10.1520/STP32696S


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