ASTM D2238-22

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1.1 These test methods cover measurement by infrared absorption spectrophotometry of the 1378 cm−1 (7.25 μm) band in polyethylene due to methyl groups. (1, 2, 3-6)2 Two test methods are covered:

1.1.1 Test Method A uses compensation with a standard sample film of known methyl content.

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Published:
08/31/2022
Number of Pages:
7
File Size:
1 file , 190 KB
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