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    ASTM D6474-12 REDLINE

    Standard Test Method for Determining Molecular Weight Distribution and Molecular Weight Averages of Polyolefins by High Temperature Gel Permeation Chromatography
    • 발행일 : 2012-12-15
    • 발행기관 : ASTM
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1.1 This 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.

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

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.

국제분류(ICS)코드
페이지수 6
Edition 12

이력정보

No. 표준번호 표준명 발행일 상태
1 ASTM D6474-20상세보기 Standard Test Method for Determining Molecular Weight Distribution and Molecular Weight Averages of Polyolefins by High Temperature Gel Permeation Chromatography 2020-04-01 표준
2 ASTM D6474-20 REDLINE상세보기 Standard Test Method for Determining Molecular Weight Distribution and Molecular Weight Averages of Polyolefins by High Temperature Gel Permeation Chromatography 2020-04-01 표준
3 ASTM D6474-19상세보기 Standard Test Method for Determining Molecular Weight Distribution and Molecular Weight Averages of Polyolefins by High Temperature Gel Permeation Chromatography 2019-11-01 표준
4 ASTM D6474-19 REDLINE상세보기 Standard Test Method for Determining Molecular Weight Distribution and Molecular Weight Averages of Polyolefins by High Temperature Gel Permeation Chromatography 2019-11-01 표준
5 ASTM D6474-12 REDLINE상세보기 Standard Test Method for Determining Molecular Weight Distribution and Molecular Weight Averages of Polyolefins by High Temperature Gel Permeation Chromatography 2012-12-15 구판
6 ASTM D6474-12상세보기 Standard Test Method for Determining Molecular Weight Distribution and Molecular Weight Averages of Polyolefins by High Temperature Gel Permeation Chromatography 2012-12-15 구판
7 ASTM D6474-99(2006)상세보기 Standard Test Method for Determining Molecular Weight Distribution and Molecular Weight Averages of Polyolefins by High Temperature Gel Permeation Chromatography 2006-03-15 구판
8 ASTM D6474-99상세보기 Standard Test Method for Determining Molecular Weight Distribution and Molecular Weight Averages of Polyolefins by High Temperature Gel Permeation Chromatography 1999-11-10 구판

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