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  • TAPPI T 421 : 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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    QUALITATIVE (INCLUDING OPTICAL MICROSCOPIC) ANALYSIS OF MINERAL FILLER AND MINERAL COATING OF PAPER

    Available format(s):  Hardcopy, PDF

    Superseded date:  14-11-2022

    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. Scope
    2. Summary
    3. Significance of qualitative chemical analysis method
    4. Apparatus for qualitative chemical analysis
    5. Reagents for qualitative chemical analysis
    6. Sampling
    7. Test specimens
    8. Procedure
    9. Interpretation of observations
    10. Report
    11. Scope of microscopic identification method
    12. Significance
    13. Apparatus
    14. Reagents
    15. Test specimens
    16. Procedure and interpretation of results
    17. Report
    18. Precision
    19. Keywords
    20. Additional information
    Literature cited

    Abstract - (Show below) - (Hide below)

    Defines procedures which may be used for the qualitative determination and identification of the mineral constituents of filled and coated papers.

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

    Development Note Supersedes TAPPI 488 (01/2001)
    Document Type Official Test Method
    Publisher Technical Association of the Pulp & Paper Industry
    Status Superseded
    Superseded By

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

    TAPPI T 661 : OM 93 PROPERTIES OF SYNTHETIC SILICATE PIGMENTS
    TAPPI T 211 : 2002 : R2012 ASH IN WOOD, PULP, PAPER AND PAPERBOARD: COMBUSTION AT 525 DEGREES C
    ASTM D 686 : 1993 Standard Test Methods of Qualitative Examination of Mineral Filler and Mineral Coating of Paper
    TAPPI T 408 : 2007 ROSIN IN PAPER AND PAPERBOARD
    ASTM D 686 : 1993 : R2007 Standard Test Methods of Qualitative Examination of Mineral Filler and Mineral Coating of Paper (Withdrawn 2011)
    ASTM D 686 : 1993 : R2002 Standard Test Methods of Qualitative Examination of Mineral Filler and Mineral Coating of Paper
    TAPPI T 211 : 2002 ASH IN WOOD, PULP, PAPER AND PAPERBOARD: COMBUSTION AT 525 DEGREES C
    TAPPI T 627 : 2009 DETERMINATION OF TITANIUM DIOXIDE
    TAPPI T 430 : 2009 COPPER NUMBER OF PULP, PAPER AND PAPERBOARD
    TAPPI T 211 : 2002 : R2007 ASH IN WOOD, PULP, PAPER AND PAPERBOARD: COMBUSTION AT 525 DEGREES C

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

    TAPPI T 627 : 2009 DETERMINATION OF TITANIUM DIOXIDE
    TAPPI T 400 : 2011 SAMPLING AND ACCEPTING A SINGLE LOT OF PAPER, PAPERBOARD, CONTAINERBOARD, OR RELATED PRODUCT
    TAPPI T 401 : 2015 FIBER ANALYSIS OF PAPER AND PAPERBOARD
    TAPPI T 413 : 2011 ASH IN WOOD, PULP, PAPER AND PAPERBOARD: COMBUSTION AT 900 DEGREES C
    TAPPI T 438 : 2006 ZINC AND CADMIUM IN PAPER
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