An article includes a substrate, a functional coating deposited over at least a portion of the substrate, and a protective (barrier) coating deposited over at least a portion of the functional coating. The barrier coating is stable to oxygen-containing gases and limits the transmission of oxygen-containing gases to materials over which it is deposited when subjected to conditioning steps such as heating, bending, and/or tempering.

 
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> Preparation of adsorbents from organic fertilizer and mineral oil and their application for removal of acidic gases from sulfur containing wet gas streams

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