%0 Journal Article %T Efficient transport of lead(II) cations in natural water using a liquid membrane system with dicyclohexano-18-crown-6 as carrier %A Ronaghi, Gholam Hossein %A Roya Mohammadzadeh Kakhki %A Eshghi, Hossein %J Arabian Journal of Chemistry %@ 1878-5352 %D 2017