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  • TAPPI T 568 : 2012

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    PHYSICAL AREA OF SUB-VISIBLE CONTRARIES IN PULP, PAPER AND PAPERBOARD BY IMAGE ANALYSIS

    Available format(s):  Hardcopy, PDF

    Superseded date:  11-07-2023

    Language(s):  English

    Published date:  01-01-2012

    Publisher:  Technical Association of the Pulp & Paper Industry

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    Table of Contents - (Show below) - (Hide below)

    1. Introduction
    2. Scope
    3. Significance
    4. Related documents
    5. Definitions
    6. Apparatus
    7. Sampling and test specimens
    8. Procedure
    9. Report
    10. Precision
    11. Keywords
    12. Additional information
    Literature cited
    References
    Appendix A.1
    Appendix A.2

    Abstract - (Show below) - (Hide below)

    Defines image analysis to determine the level of sub-visible contraries in pulp, recycled pulp, paper, and paperboard in terms of Equivalent Physical Diameter (EPD) of contraries within the EPD range of 8 micrometers to 160 micrometers, reported in parts per hundred as well as the number of specks per square centimeter of sample.

    General Product Information - (Show below) - (Hide below)

    Document Type Official Test Method
    Publisher Technical Association of the Pulp & Paper Industry
    Status Superseded
    Superseded By

    Standards Referencing This Book - (Show below) - (Hide below)

    TAPPI/ANSI T 272 sp:2012 FORMING HANDSHEETS FOR REFLECTANCE TESTING OF PULP (SHEET MACHINE PROCEDURE)
    TAPPI T 442 : 0 SPECTRAL REFLECTANCE FACTOR, TRANSMITTANCE, AND COLOR OF PAPER AND PULP (POLYCHROMATIC ILLUMINATION)
    TAPPI T 563 : 2015 EQUIVALENT BLACK AREA (EBA) AND COUNT OF VISIBLE DIRT IN PULP, PAPER AND PAPERBOARD BY IMAGE ANALYSIS
    TAPPI T 400 : 2011 SAMPLING AND ACCEPTING A SINGLE LOT OF PAPER, PAPERBOARD, CONTAINERBOARD, OR RELATED PRODUCT
    TAPPI T 452 : 2008 BRIGHTNESS OF PULP, PAPER AND PAPERBOARD (DIRECTIONAL REFLECTANCE AT 457 NM)
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