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  • ASTM D 6474 : 2012

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Standard Test Method for Determining Molecular Weight Distribution and Molecular Weight Averages of Polyolefins by High Temperature Gel Permeation Chromatography

    Available format(s):  Hardcopy, PDF

    Superseded date:  18-12-2019

    Language(s):  English

    Published date:  15-12-2012

    Publisher:  American Society for Testing and Materials

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    1.1This test method covers the determination of molecular weight distributions and molecular weight averages of linear polyolefins by high temperature gel permeation chromatography (GPC). This test method uses commercially available polystyrene standards and equipment and is applicable to polyethylenes (excluding high pressure low density polyethylene–LDPE) and polypropylenes soluble in 1,2,4-trichlorobenzene (TCB) at 140°C. This test method is not absolute and requires calibration.

    Note 1Size exclusion chromatography (SEC) often is used as an alternative name for gel permeation chromatography (GPC).
    Note 2Specific methods and capabilities of users may vary with differences in columns, instrumentation, applications software, and practices between laboratories.
    Note 3One general method is outlined herein; alternative analytical practices can be followed and are attached in notes where appropriate.
    Note 4There is no known ISO equivalent to this standard.

    1.2The values stated in SI units, based on IEEE/ASTM S1-10, are to be regarded as the standard.

    1.3This 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.

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    Committee D 20
    Document Type Test Method
    Publisher American Society for Testing and Materials
    Status Superseded
    Superseded By
    Supersedes

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

    ASTM F 2150 : 2013 Standard Guide for Characterization and Testing of Biomaterial Scaffolds Used in Tissue-Engineered Medical Products

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

    ASTM D 3016 : 1997 : R2010 Standard Practice for Use of Liquid Exclusion Chromatography Terms and Relationships
    ASTM D 5296 : 2005 Standard Test Method for Molecular Weight Averages and Molecular Weight Distribution of Polystyrene by High Performance Size-Exclusion Chromatography
    ASTM D 5296 : 1997 Standard Test Method for Molecular Weight Averages and Molecular Weight Distribution of Polystyrene by High Performance Size-Exclusion Chromatography
    ASTM D 5296 : 2011 Standard Test Method for Molecular Weight Averages and Molecular Weight Distribution of Polystyrene by High Performance Size-Exclusion Chromatography
    ASTM D 3016 : 1997 : R2018 Standard Practice for Use of Liquid Exclusion Chromatography Terms and Relationships
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