ASTM D4949-94(2002)

    Standard Test Method for Determination of D-C Resistivity of Writing Paper (Keithley Method) (Withdrawn 2011)

    Withdrawn Standard: ASTM D4949-94(2002) | Developed by Subcommittee: D06.92

    WITHDRAWN, NO REPLACEMENT


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    Withdrawn Rationale:

    This test method describes the procedure for determination of both surface and volume (bulk) d-c resistivity of writing paper. This test method is specific for the Keithley 6105 resistivity adapter.

    Formerly under the jurisdiction of Committee D06 on Paper and Paper Products, this test method was withdrawn in January 2011 in accordance with section 10.5.3.1 of the Regulations Governing ASTM Technical Committees, which requires that standards shall be updated by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 describes the procedure for determination of both surface and volume (bulk) d-c resistivity of writing paper. This test method is specific for the Keithley 6105 resistivity adapter.

    1.2 This test method has been developed as a special case for use on writing papers processed in high-speed nonimpact printers where resistivity control is critical. It is not in conflict with Test Methods D 257.

    1.3 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

    D257 Test Methods for D-C Resistance or Conductance of Insulating Materials

    D585 Practice for Sampling and Accepting a Single Lot of Paper, Paperboard, Fiberboard, and Related Products

    D644 Test Method for Moisture Content of Paper and Paperboard by Oven Drying

    D645 Test Method for Thickness of Paper and Paperboard

    D685 Practice for Conditioning Paper and Paper Products for Testing

    D1749 Practice for Interlaboratory Evaluation of Test Methods Used with Paper and Paper Products

    E122 Practice for Calculating Sample Size to Estimate, with a Specified Tolerable Error, the Average for Characteristic of a Lot or Process

    E337 Test Method for Measuring Humidity with a Psychrometer (the Measurement of Wet- and Dry-Bulb Temperatures)


    DOI: 10.1520/D4949-94R02

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