Novel Potentiometric Sensor for Monitoring of Beryllium Based on Naphto-9-crown-3
-
- GANJALI Mohammad Reza
- Departments of Chemistry, Tehran University
-
- DAFTARI Azadeh
- Departments of Chemistry, Tehran University
-
- FAAL-RASTEGAR Majid
- Departments of Chemistry, Tehran University
-
- MOGHIMI Abolghasem
- Departments of Chemistry, Imam Hossein University
書誌事項
- タイトル別名
-
- Novel Potentiometric Sensor for Monitoring Beryllium Based on Naphto-9-crown-3.
この論文をさがす
抄録
A novel poly(vinyl chloride) (PVC) membrane electrode based on naphto-9-crown-3 was prepared and tested for the selective detection of beryllium ions. A suitable lipophilicity of the carrier and appropriate coordination ability were found to be essential for designing an electrode with good response characteristics. A PVC membrane with 9% naphtho-9-crown-3 carrier, 58% o-NPOE plasticizer, 3% tetraphenylborate anionic excluder and 30% poly(vinyl chloride) satisfied these requirements. The proposed sensor displayed a linear response to beryllium over a wide concentration range of 1.0 × 10-1-8.0 × 10-6 M with a Nernstian slope of 29.5 mV per decade. The electrode showed very short response time (<15 s) and could be used in the pH range 3.5 - 9.0. The selectivity coefficient for alkali, alkaline earth, transition and heavy metal ions was smaller than 4.0 × 10-4. The sensor was successfully used as an indicator electrode in the potentiometric titration of Be2+ with EDTA. The proposed Be(II) sensor was also used for the determination of Be2+ ions in binary mixtures.
収録刊行物
-
- Analytical Sciences
-
Analytical Sciences 19 (3), 353-356, 2003
社団法人 日本分析化学会
- Tweet
キーワード
詳細情報 詳細情報について
-
- CRID
- 1390282679232491392
-
- NII論文ID
- 130004440727
- 80015831079
-
- NII書誌ID
- AA10500785
-
- COI
- 1:CAS:528:DC%2BD3sXisVaqs7o%3D
-
- ISSN
- 13482246
- 09106340
-
- NDL書誌ID
- 6475933
-
- PubMed
- 12675338
-
- 本文言語コード
- en
-
- データソース種別
-
- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
-
- 抄録ライセンスフラグ
- 使用不可