Direct Determination of Lead in Sea Water by High-Resolution Atomic Absorption Spectroscopy Using a Mixed Modifier Barium Nitrate–Hydrofluoric Acid
- Авторлар: Sobolev N.1, Ivanchenko N.1, Kozhevnikov A.1
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Мекемелер:
- Core Facility Center “Arktika,” M.V. Lomonosov Northern (Arctic) Federal University
- Шығарылым: Том 74, № 5 (2019)
- Беттер: 444-448
- Бөлім: Articles
- URL: https://journals.rcsi.science/1061-9348/article/view/183202
- DOI: https://doi.org/10.1134/S1061934819020126
- ID: 183202
Дәйексөз келтіру
Аннотация
A procedure is proposed for the direct determination of lead in sea water by electrothermal atomization high-resolution atomic absorption spectrometry. The effect of background interferences due to sea water matrix is eliminated using a mixed modifier barium nitrate–hydrofluoric acid. The optimum amount of the modifier matrix is 60 µg Ba (NO3)2 + 1.52 µg HF. The conditions of analysis are as follows: pyrolysis temperature 600°C, atomization temperature 1200°C. The limit of detection for the developed procedure is 0.0003 mg/L.
Негізгі сөздер
Авторлар туралы
N. Sobolev
Core Facility Center “Arktika,” M.V. Lomonosov Northern (Arctic) Federal University
Email: a.kozhevnikov@narfu.ru
Ресей, Arkhangelsk, 163002
N. Ivanchenko
Core Facility Center “Arktika,” M.V. Lomonosov Northern (Arctic) Federal University
Email: a.kozhevnikov@narfu.ru
Ресей, Arkhangelsk, 163002
A. Kozhevnikov
Core Facility Center “Arktika,” M.V. Lomonosov Northern (Arctic) Federal University
Хат алмасуға жауапты Автор.
Email: a.kozhevnikov@narfu.ru
Ресей, Arkhangelsk, 163002