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oxygen-free ADJ. QUÍM.

oxygen-free

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Oxygen-free coppers are used to resist hydrogen embrittlement when extensive amounts of cold work is needed, and for applications requiring higher ductility (e.g., telecommunications cable). en.wikipedia.org

Oxygen-free alkaloids, such as nicotine or coniine, are typically volatile, colorless, oily liquids. en.wikipedia.org

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