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Indirect determination of lutetium by differential pulse anodic stripping voltammetry at a hanging mercury drop electrode

✍ Scribed by Kumrić, Ksenija ;Trtić-Petrović, Tatjana ;Ignjatović, Ljubiša ;Čomor, Jožef

Book ID
111488006
Publisher
Walter de Gruyter GmbH
Year
2008
Tongue
English
Weight
753 KB
Volume
6
Category
Article
ISSN
2391-5420

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✦ Synopsis

Lutetium has been determined by differential pulse anodic stripping voltammetry in an acidic solution containing Zn-EDTA. Lutetium (III) ions liberated zinc (II), which was preconcentrated on a hanging mercury drop electrode and stripped anodically, resulting in peak current linearly dependent on lutetium (III) concentration. Less than 0.4 ng mL -1 lutetium could be detected after a 2 min deposition.

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Optimization of parameters for differential pulse voltammetry at the hanging mercury drop electrode
✍ Jürgen Pelzer; Fritz Scholz; Günter Henrion; Lutz Nitschke 📂 Article 📅 1989 🏛 John Wiley and Sons 🌐 English ⚖ 300 KB

The detection limit o f differential pulse voltammetry at a hanging mercury drop electrode is investigated. The most important result of this study is that very small pulse amplitudes considerably improve the signal-to-background ratio and lead to lower detection limits. Due to the fact that (in pra