• ASTM D 4643 : 2000

    NA Status of Standard is Unknown
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    Standard Test Method for Determination of Water (Moisture) Content of Soil by the Microwave Oven Method

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  02-10-2000

    Publisher:  American Society for Testing and Materials

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    1.1 This test method outlines procedures for determining the water (moisture) content of soils by incrementally drying soil in a microwave oven.

    1.2 This test method is not intended as a replacement for Test Method D2216; but, rather as a supplement when more rapid results are required or desired to expedite other phases of testing. Test Method D2216 is to be used as the method to compare for accuracy checks and correction.

    1.3 When questions of accuracy between this test method and Test Method D2216 arise, Test Method D2216 shall be the referee method.

    1.4 This test method is applicable for most soil types. For some soils, such as those containing significant amounts of halloysite, mica, montmorillonite, gypsum or other hydrated materials, highly organic soils, or soils in which the pore water contains dissolved solids (such as salt in the case of marine deposits), this test method may not yield reliable water content values.

    1.5 The values stated in SI units are to be regarded as the standard.

    1.6 This standard does not purport to address all of the safety problems, 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.

    Note 1-Notwithstanding statements of precision and bias contained in this standard, the precision of this test method is dependent on the competence of the personnel performing it and the suitability of the equipment and facilities used. Agencies that meet the criteria of Practice D3740 are generally considered capable of competent and objective testing. Users of this test method are cautioned that compliance with Practice D3740 does not in itself ensure reliable testing. Reliable testing depends on many factors; Practice D3740 provides a means of evaluating some of those factors.

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    Committee D 18
    Document Type Test Method
    Publisher American Society for Testing and Materials
    Status NA
    Superseded By

    Standards Referenced By This Book - (Show below) - (Hide below)

    ASTM F 1815 : 2011 : R2018 Standard Test Methods for Saturated Hydraulic Conductivity, Water Retention, Porosity, and Bulk Density of Athletic Field Rootzones
    ASTM D 2216 : 2019 Standard Test Methods for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass
    ASTM D 3839 : 2014 Standard Guide for Underground Installation of “Fiberglass” (Glass-Fiber Reinforced Thermosetting-Resin) Pipe
    ASTM D 6758 : 2018 Standard Test Method for Measuring Stiffness and Apparent Modulus of Soil and Soil-Aggregate In-Place by Electro-Mechanical Method
    ASTM D 7876 : 2013 : R2018 Standard Practice for Practice for Sample Decomposition Using Microwave Heating (With or Without Prior Ashing) for Atomic Spectroscopic Elemental Determination in Petroleum Products and Lubricants
    ASTM D 5890 : 2019 Standard Test Method for Swell Index of Clay Mineral Component of Geosynthetic Clay Liners
    ASTM D 7698 : 2011 : REV A Standard Test Method for In-Place Estimation of Density and Water Content of Soil and Aggregate by Correlation with Complex Impedance Method
    ASTM D 5874 : 2016 Standard Test Methods for Determination of the Impact Value (IV) of a Soil
    ASTM E 3163 : 2018 Standard Guide for Selection and Application of Analytical Methods and Procedures Used during Sediment Corrective Action
    ASTM D 2937 : 2017 : EDT 2 Standard Test Method for Density of Soil in Place by the Drive-Cylinder Method
    ASTM D 2167 : 2015 Standard Test Method for Density and Unit Weight of Soil in Place by the Rubber Balloon Method
    ASTM D 8167/D8167M : 2018 : REV A Standard Test Method for In-Place Bulk Density of Soil and Soil-Aggregate by a Low-Activity Nuclear Method (Shallow Depth)
    ASTM D 5126 : 2016 : EDT 1 Standard Guide for Comparison of Field Methods for Determining Hydraulic Conductivity in Vadose Zone
    ASTM D 6938 : 2017 : REV A Standard Test Methods for In-Place Density and Water Content of Soil and Soil-Aggregate by Nuclear Methods (Shallow Depth)
    ASTM D 7830/D7830M : 2014 Standard Test Method for In-Place Density (Unit Weight) and Water Content of Soil Using an Electromagnetic Soil Density Gauge
    ASTM D 1556/D1556M : 2015 : EDT 1 Standard Test Method for Density and Unit Weight of Soil in Place by Sand-Cone Method
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