| 光谱学与光谱分析 |
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| Analysis of Eleven Mineral Elements for Eight Benthic Marine Diatoms Using AAS |
| XING Rong-lian, WANG Chang-hai*, TANG Ning, QIAN Zhen-ming |
| Dalian University of Technology, Department of Bioscience and Biotechnology, Dalian 116024, China |
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Abstract Eleven mineral-elements, Mg, Fe, K, Ca, Mn, Zn, Cu, Ni, Pb, Cr and Cd, for eight benthic marine diatoms were determined by using flame atomic absorption spectrophotometry (AAS). This method is rapid with high precision and accuracy. The relative standard deviation, correlative coefficient and recovery rate are less then 6.85%, 0.9989-0.9999 and 95%-103%, respectively. The results show that there are high mineral-element levels in the eight benthic diatoms, with Mg>Fe>K>Ca>Mn>Zn among them, while the contents of Ni and Cu are poor, and there are little Pb, Cr and Cd in benthic diatoms. The contents of Mg, K and Mn in Navicula seminulum Grun are maximum elements, with (17.2240±0.030 2)mg·g-1 SD and (1.7885±0.093 9)mg·g-1 SD，(0.225 3±0.001 1)mg·g-1 SD respectively. There were the most contents of Fe(4.231 4±0.030 9)mg·g-1 SD and Zn(0.116 7±0.002 9)mg·g-1 SD, Cu(0.022 7±0.000 7)mg·g-1 SD and Ni(0.014 7±0.000 5)mg·g-1SD in Hantzschia amphioxys (Ehr.) Grun. var. leptocephala Ostrup. The element of maximum content in Nitzschia sp. was Ca (6.3537±0.0412 mg·g-1 SD). The experimental results indicate that the eight benthic diatom species could prove useful feed species for benthic animal species grown in aquaculture such as abalone, sea urchin and sea cucumber.
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Received: 2006-07-26
Accepted: 2006-10-28
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Corresponding Authors:
WANG Chang-hai
E-mail: chwang2001@sina.com
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| Cite this article: |
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XING Rong-lian,WANG Chang-hai,TANG Ning, et al. Analysis of Eleven Mineral Elements for Eight Benthic Marine Diatoms Using AAS[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2007, 27(10): 2131-2133.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2007/V27/I10/2131 |
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