New Cadmium(II)-Selective Electrode Based on a Tetraazacyclohexadeca Macrocyclic Ionophore Ashok
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- SINGH Ashok Kumar
- Department of Chemistry, Indian Institute of Technology-Roorkee
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- SAXENA Puja
- Department of Chemistry, Indian Institute of Technology-Roorkee
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- SINGH Rupam
- Department of Chemistry, Indian Institute of Technology-Roorkee
書誌事項
- タイトル別名
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- New Cadmium(II)-Selective Electrode Based on a Tetraazacyclohexadeca Macrocyclic Ionophore
- New Cadmium 2 Selective Electrode Based on a Tetraazacyclohexadeca Macrocyclic Ionophore
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説明
A poly(vinyl chloride)-based membrane of 3,4:11,12-dibenzo-1,6,9,14-tetraazacyclohexadecane with sodium tetraphenyl borate (NaTPB) as an anion excluder and dibutylphthalate (DBP), dibutyl(butyl)phosphonate (DBBP), tris(2-ethylhexyl)phosphate (TEHP) and tributyl phosphate (TBP) as a plasticizing solvent mediator was prepared and investigated as a Cd2+-selective electrode. The best performance was observed with the membrane having a ligand-PVC-DBP-NaTPB composition of 2:25:60:1, which worked well over a wide concentration range (1.6 × 10-6 - 1.0 × 10-1 M) with a Nernstian slope of 29.5 mV per decade of activity between pH 2.0 - 6.0. This electrode showed a fast response time of 13 s and was used over a period of 4 months with good reproducibility (S = 0.4 mV). The selectivity coefficient for mono-, di- and trivalent cations indicated excellent selectivity for Cd2+ ions over a large number of cations. Anions such as NO3- and SO42-, did not interfere. The membrane sensor has been successfully used to determine Cd2+ in real samples.
収録刊行物
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- Analytical Sciences
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Analytical Sciences 21 (2), 179-181, 2005
社団法人 日本分析化学会
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詳細情報 詳細情報について
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- CRID
- 1390282679234153600
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- NII論文ID
- 10014365777
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- NII書誌ID
- AA10500785
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- COI
- 1:CAS:528:DC%2BD2MXhs1emt7Y%3D
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- ISSN
- 13482246
- 09106340
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- NDL書誌ID
- 7242658
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- PubMed
- 15732481
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- 本文言語コード
- en
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- 資料種別
- journal article
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- データソース種別
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- JaLC
- NDLサーチ
- Crossref
- PubMed
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