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    ASTM D7481-09

    Standard Test Methods for Determining Loose and Tapped Bulk Densities of Powders using a Graduated Cylinder (Withdrawn 2018)

    Withdrawn Standard: ASTM D7481-09 | Developed by Subcommittee: D18.24


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    Withdrawn Rationale:

    This test method covers the apparatus and procedures for determining the bulk densities of free flowing and moderately cohesive powders and granular materials up to 3.5 mm in size in their loose (Method A) and tapped (Method B) states.

    Formerly under the jurisdiction of Committee D18 on Soil and Rock, this test method was withdrawn in January 2018 in accordance with section 10.6.3 of the Regulations Governing ASTM Technical Committees, which requires that standards shall be updated by the end of the eighth year since the last approval date.

    1. Scope

    1.1 This test method covers the apparatus and procedures for determining the bulk densities of free flowing and moderately cohesive powders and granular materials up to 3.5 mm in size in their loose (Method A) and tapped (Method B) states.

    1.2 This test method should be performed in a laboratory under controlled conditions of temperature and humidity.

    1.3 This test method is similar to those of Test Methods B 212, D 29, and D 2854.

    1.4 All observed and calculated values shall conform to the guidelines for significant digits and rounding established in Practice D 6026.

    1.4.1 The procedures used to specify how data are collected/recorded or calculated in this standard are regarded as the industry standard. In addition they are representative of the significant digits that generally should be retained. The procedures used do not consider material variations, purpose for obtaining the data, special purpose studies, or any considerations for the users objectives; and it is common practice to increase or reduce significant digits of reported data to be commensurate with these considerations. It is beyond the scope of this standard to consider significant digits used in analysis methods for engineering design.

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

    1.6 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.



    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

    B212 Test Method for Apparent Density of Free-Flowing Metal Powders Using the Hall Flowmeter Funnel

    B527 Test Method for Determination of Tap Density of Metallic Powders and Compounds

    C29/C29M Test Method for Bulk Density (Unit Weight) and Voids in Aggregate

    D29 Test Methods for Sampling and Testing Lac Resins

    D653 Terminology Relating to Soil, Rock, and Contained Fluids

    D2216 Test Methods for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass

    D2854 Test Method for Apparent Density of Activated Carbon

    D3740 Practice for Minimum Requirements for Agencies Engaged in Testing and/or Inspection of Soil and Rock as Used in Engineering Design and Construction

    D4164 Test Method for Mechanically Tapped Packing Density of Formed Catalyst and Catalyst Carriers

    D4753 Guide for Evaluating, Selecting, and Specifying Balances and Standard Masses for Use in Soil, Rock, and Construction Materials Testing

    D6026 Practice for Using Significant Digits in Geotechnical Data

    D6683 Test Method for Measuring Bulk Density Values of Powders and Other Bulk Solids as Function of Compressive Stress


    Referencing This Standard
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    DOI: 10.1520/D7481-09

    Citation Format

    ASTM D7481-09, Standard Test Methods for Determining Loose and Tapped Bulk Densities of Powders using a Graduated Cylinder (Withdrawn 2018), ASTM International, West Conshohocken, PA, 2009, www.astm.org

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