FIELD: chemistry.
SUBSTANCE: invention relates to nitrogen oxide absorbents. The invention discloses use of resorcinol[4]arenas to absorb one or more nitrogen oxides from a medium which contains nitrogen oxide. Described are complexes of NO+ with resorcinol[4]arenas and filter elements which contain resorcinol[4]arenas.
EFFECT: wide range of compounds capable of forming complexes with NO+ ions which can be used to remove nitrogen oxides from tobacco smoke.
24 cl, 5 dwg, 2 tbl
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