ASTM International - ASTM D4937-96(2012)
Standard Test Method for p -Phenylenediamine Antidegradants Purity by Gas Chromatography
| Organization: | ASTM International |
| Publication Date: | 1 May 2012 |
| Status: | inactive |
| Page Count: | 7 |
| ICS Code (Chemical reagents): | 71.040.30 |
significance And Use:
This test method is designed to assess the relative purity of production PPDs. These additives are primarily used as antiozonants for tires and other rubber or polymeric products.
Since the... View More
scope:
1.1 This test method covers the determination of the purity of Class I, II, and III p-phenylenediamine (PPD) antidegradants as described in Classification D4676 by gas chromatography (GC) detection and area normalization for data reduction.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 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.
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