ASTM D 2238 : 1992 : R2012 : EDT 1
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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Standard Test Methods for Absorbance of Polyethylene Due to Methyl Groups at 1378 cm−1 (Withdrawn 2021)
Hardcopy , PDF
09-28-2022
English
12-19-2012
Important note : All end users must be registered with an Account prior to user licenses being assigned.CONTAINED IN VOL. 08.01, 2015 Describes measurement by infrared absorption spectrophotometry of the 1378.4 cm[-1] band in polyethylene due to methyl groups.
| Committee |
D 20
|
| DocumentType |
Test Method
|
| Pages |
7
|
| ProductNote |
Reconfirmed EDT 1
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
1.1These test methods cover measurement by infrared absorption spectrophotometry of the 1378.4-cm−1 (7.255-μm) band in polyethylene due to methyl groups. (1, 2, 4-7)2 Two test methods are covered:
1.2These test methods are applicable to polyethylenes of Types I (density 910 to 925 kg/m3), II (density 926 to 940), and III (density 941 to 965).
1.3The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.4This 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. Specific hazards statements are given in Section 7.
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