- P-ISSN 1225-0163
- E-ISSN 2288-8985
- P-ISSN1225-0163
- E-ISSN2288-8985
- SCOPUS, ESCI, KCI
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Chemical Speciation of Trace Metals in Natural Water by Ultrafiltration/Size Exclusion Chromatography/UV Absorption/ICP-MS
분석과학 / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1995, v.8 no.4, pp.405-410
Haraguchi,
H., Itoh,
A., &
Kimata,
C.
(1995). . , 8(4), 405-410.
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Abstract
A study on elemental speciation of trace metals in lake water (Lake Biwa in Japan) has been carried out by a size exclusion chromatography (SEC) / inductively coupled plasma mass spectrometry (ICP-MS) system. Before analysis, the water sample was preconcentrated with a ultrafiltration technique, where the large molecules with molecular weight larger than 10,000 were concentrated. Then the preconcentrated water samples (500-1000 fold) were analyzed by a SEC/ICP-MS system. Most trace metals were found at the UV absorption peaks corresponding to the molecular weights of ca. 300,000 and 10,000-50,000, where trace metals were on-line detected by ICP-MS. The results suggest that many of trace metals exist as the large organic molecules-metal complexes in natural water.
- keywords
- Chemical speciation, trace metals, natural water, size exclusion chromatography, inductively coupled plasma mass spectrometry
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