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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 22, Number 7
BKCSDE 22(7)
July 20, 2001

Title	Synthesis and Selective Transport Properties of Cleft-Type Ionophores Having Two Convergent Hydroxamic Acid Functions
Author	Duck-Hee Kim, Mi Jung Choi, Suk-Kyu Chang
Keywords	Hydroxamic acid, Kemp’s triacid, Transport, Heavy metal ions.
Abstract	A series of cleft-type ionophores having two convergent hydroxamic acid functions are prepared and their selective ionophoric properties toward heavy metal and transition metal ions have been investigated. Hydroxamic acids 3 exhibited a prominent selectivity toward heavy metal ions of Hg²⁺ and Pb²⁺, and transition metal ions of Cu²⁺ over other transition metal and alkaline earth metal ions from slightly acidic source phase (pH 6) to an acidic receiving phase (pH 1). Selective ionophoric properties toward Pb²⁺ and Cu²⁺ ions over other surveyed metal ions are also confirmed by the FAB-MS measurements.
Page	699 - 702
Full Text	PDF

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