Distributions of major-to-ultratrace elements among the particulate and dissolved fractions in natural water as studied by ICP-AES and ICP-MS after sequential fractionation.

作者： Akihide ITOH , Taisuke NAGASAWA , Yanbei ZHU , Kyue-Hyung LEE , Eiji FUJIMORI

关键词: Analytical chemistry 、 Inductively coupled plasma 、 Fraction (chemistry) 、 Chemistry 、 Inductively coupled plasma atomic emission spectroscopy 、 Inductively coupled plasma mass spectrometry 、 Particle 、 Particulates 、 Membrane 、 Filter (aquarium)

摘要: In order to elucidate the distributions of elements among particulate and dissolved fractions in pond water, major-to-ultratrace different sizes particles as well filtrate passed through 0.05 μm filter were determined by inductively coupled plasma atomic emission spectrometry (ICP-AES) mass (ICP-MS). The particle samples (ca. 100 - 300 μg each) collected on membrane filters with pore 10, 3.0, 1.2, 0.4, 0.2 μm, respectively, sequential fractionation. As a result, about 40 could be ICP-AES ICP-MS, after acid digestion using HNO3/HF/HClO4. Then, fractional distribution factors estimated from analytical results. total contents Al, Fe, Ti, REEs (rare earth elements), Bi, Pb Ag (larger than μm) more 80 90%, while those Ca, Sr, Cs, W, Ba, Mn Co fraction, which corresponded filter, 80%. It was further found that Cu Zn fraction ca. 50%. addition, enrichment (EFs) 3.0 10 their geochemical characteristics natural water.

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Distributions of major-to-ultratrace elements among the particulate and dissolved fractions in natural water as studied by ICP-AES and ICP-MS after sequential fractionation.

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Distributions of major-to-ultratrace elements among the particulate and dissolved fractions in natural water as studied by ICP-AES and ICP-MS after sequential fractionation.

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