Soda lime

<p>Soda lime, a <a href="/facts/Mixture/tms8rbmn">mixture</a> of <a href="/facts/Sodium_hydroxide/xjtdYtq7">sodium hydroxide</a> (NaOH) and <a href="/facts/Calcium_oxide/Wh9C8l7j">calcium oxide</a> (CaO), is used in granular form within recirculating breathing environments like <a href="/facts/General_anesthesia/bv3Yzcz7">general anesthesia</a> and its <a href="/facts/Breathing_circuit/xGWqYS4G">breathing circuit</a>, <a href="/facts/Submarine/6fhcAKHV">submarines</a>, <a href="/facts/Rebreather/yGCRxYbx">rebreathers</a>, and <a href="/facts/Hyperbaric_chamber/K0uRU4RY">hyperbaric chambers</a> and <a href="/facts/Underwater_habitat/tRa9NzeX">underwater habitats</a>. Its purpose is to eliminate <a href="/facts/Carbon_dioxide/xGzpppEp">carbon dioxide</a> (CO2) from <a href="/facts/Breathing_gas/1sUAT6mt">breathing gases</a>, preventing <a href="/facts/Carbon_dioxide_retention/wBArR1mW">carbon dioxide retention</a> and, eventually, <a href="/facts/Carbon_dioxide_poisoning/wBArR1mW">carbon dioxide poisoning</a>. The creation of soda lime involves treating <a href="/facts/Slaked_lime/Kz2KzRd8">slaked lime</a> with a concentrated <a href="/facts/Sodium_hydroxide/xjtdYtq7">sodium hydroxide</a> solution.
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Soda lime open-in-new

Soda lime