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A backup to the temperamental Elektron system used on both the ISS and ''Mir'' is the ''Vika'' solid-fuel oxygen generator (SFOG), which contains a replaceable cartridge – a thin-walled steel tube with a three-part block of oxygen-releasing mixture based on [[lithium perchlorate]]. Two parts are tablets of the chemical mixture and the third one is the igniter tablet with a flash igniter. The igniter is struck by a firing pin when the device is activated. One cartridge releases {{convert|600|l|USgal}} of oxygen and burns for 5–20 minutes at {{convert|450|-|500|C|F}}.<ref>[http://www.molecularproducts.com/products_detail.php?id=2 Oxygen Generators]</ref> The oxygen is cooled and filtered from dust and odours, and released into the space station atmosphere.{{citation needed|date=December 2010}}
{{see also|ISS ECLSS}}
==References==▼
{{reflist}}▼
==See also==
*[[Life support system]]
▲==References==
▲{{reflist}}
[[Category:Mir]]
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