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ASTM D5477 2011 Edition, December 1, 2011
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Standard Practice for Identification of Polymer Layers or Inclusions by Fourier Transform Infrared Microspectroscopy (FT-IR)
Includes all amendments and changes through Reinstatement Notice , December 1, 2011
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This practice describes the techniques used for detecting two different polymer entities as follows:

Abnormal specks or spots on a surface or in the film that are objectionable as defects and

Layers of different polymeric sheets commonly used as barrier films made by coextrusion.

The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

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. Specific hazard statements are given in Section 7.

NOTE 1—There is no known ISO equivalent to this standard.