Soda lime

Rarity: Common

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Science and technology

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What Wikipedia says

Soda lime is a mixture of sodium hydroxide (NaOH) and calcium oxide (CaO). It is used in granular form within recirculating breathing environments like general anesthesia and its breathing circuit, submarines, rebreathers, and hyperbaric chambers and underwater habitats.

Excerpt from the Wikipedia article “Soda lime”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

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