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ASTM D 6474 : 2012

ASTM D 6474 : 2012

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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Superseded date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

Superseded by

ASTM D 6474 : 2019

Language(s)

English

Published date

15-12-2012

Publisher

American Society for Testing and Materials

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Hardcopy - English
PDF - English
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Committee
D 20
DocumentType
Test Method
Pages
6
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

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 1—Size exclusion chromatography (SEC) often is used as an alternative name for gel permeation chromatography (GPC).
Note 2—Specific methods and capabilities of users may vary with differences in columns, instrumentation, applications software, and practices between laboratories.
Note 3—One general method is outlined herein; alternative analytical practices can be followed and are attached in notes where appropriate.
Note 4—There 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.

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

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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