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ASTM D 5991 : 2017 : REDLINE

ASTM D 5991 : 2017 : REDLINE

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Practice for Separation and Identification of Poly(Vinyl Chloride) (PVC) Contamination in Poly(Ethylene Terephthalate) (PET) Flake

Available format(s)

PDF

Superseded date

20-03-2023

Language(s)

English

Published date

16-01-2018

Publisher

American Society for Testing and Materials

CONTAINED IN VOL. 08.03, 2018 Defines four procedures for separation and qualitative identification of poly(vinyl chloride) (PVC) contamination in poly(ethylene terephthalate) (PET) flakes.

1.1This practice covers four procedures for separation and qualitative identification of poly(vinyl chloride) (PVC) contamination in poly(ethylene terephthalate) (PET) flakes.

Note 1:Although not presented as a quantitative method, procedures presented in this practice may be used to provide quantitative results at the discretion of the user. The user assumes the responsibility to verify the reproducibility of quantitative results. Data from an independent source suggest a PVC detection level of 200 ppm (w/w) based on an original sample weight of 454 g.

1.2Procedure Ais based on different fluorescence of PVC and PET when these polymers are exposed to ultraviolet (UV) light.

1.3Procedure Bis an oven test based upon the charring of PVC when it is heated in air at 235°C.

1.4Procedures C and Dare dye tests based on differential staining of PVC and PET.

Note 2:Other polymers (for example, PETG) also absorb the stain or brightener. Such interferences will result in false positive identification of PVC as the contaminant.

1.5This 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific hazards see Section 8.

Note 3:There is no known ISO equivalent to this standard.

1.6This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Committee
D 20
DocumentType
Redline
Pages
4
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy

IEEE/ASTM SI_10-2010 American National Standard for Metric Practice

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