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ASTM D6474-12

Standard Test Method for Determining Molecular Weight Distribution and Molecular Weight Averages of Polyolefins by High Temperature Gel Permeation Chromatography
standard by ASTM International, 12/15/2012
Publisher: ASTM

$22.00$44.00

Description

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 1???Size exclusion chromatography (SEC) often is used as an alternative name for gel permeation chromatography (GPC).

Product Details

Published:: 12/15/2012
Number of Pages:: 6
File Size:: 1 file , 98 KB
Redline File Size:: 2 files , 150 KB

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