摘要 |
A poly(arylene ether)-containing resin composition or article may be authenticated by a method that includes at least partially extracting a pH sensitive compound from the resin composition or the article with a solvent, wherein the resin composition or the article includes a poly(arylene ether) and the pH sensitive compound; mixing the solvent having the extracted pH sensitive compound with an acidic solution or a basic solution to form an observation mixture; and observing the observation mixture to determine if a predetermined color change occurred in the observation mixture.
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