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Synthesis and selective transport properties of cleft-type ionophores having two convergent hydroxamic acid functions
- Authors
- Kim, Duck-Hee; Choi, Mi Jung; Chang, Suk-Kyu
- Issue Date
- Jul-2001
- Publisher
- KOREAN CHEMICAL SOC
- Keywords
- hydroxamic acid; Kemp's triacid; transport; heavy metal ions
- Citation
- BULLETIN OF THE KOREAN CHEMICAL SOCIETY, v.22, no.7, pp 699 - 702
- Pages
- 4
- Journal Title
- BULLETIN OF THE KOREAN CHEMICAL SOCIETY
- Volume
- 22
- Number
- 7
- Start Page
- 699
- End Page
- 702
- ISSN
- 0253-2964
1229-5949
- 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.
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