In situ determination of iron(Ⅱ) in the anoxic zone of the central Baltic Sea using ferene as spectrophotometric reagent

David Meyer; Ralf D. Prien; Olaf Dellwig; Douglas P. Connelly; Detlef E. Schulz-Bull

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In situ determination of iron(Ⅱ) in the anoxic zone of the central Baltic Sea using ferene as spectrophotometric reagent

机译：fer作为分光光度法原位测定波罗的海中部缺氧区的铁（Ⅱ）

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Continuous flow analysis for soluble Fe(Ⅱ) species in seawater was performed with a colorimetric method using ferene as a spectrophotometric reagent. The method is based on the measurement of absorbance of the [Fe~11(fer)_3]~(4-)-complex at 594 nm. No preconcentration-steps are required. Samples prepared in the labo-ratory in line with external calibration experiments have been successfully analyzed in the nanomolar range (R~2 =0.959). A detection limit of 20 nM was obtained. Furthermore, investigations were performed in situ with a wet chemical analyzer in the water column of the central Baltic Sea. Finally the results were consistent with measurements made by an independent laboratory based method (ICP-OES).

机译：以二茂铁为分光光度法，采用比色法对海水中可溶性Fe（Ⅱ）进行连续流动分析。该方法基于[Fe〜11（fer）_3]〜（4-）配合物在594 nm处的吸光度测量。无需预浓缩步骤。在实验室中根据外部校准实验制备的样品已经成功地在纳摩尔范围内进行了分析（R〜2 = 0.959）。获得的检出限为20 nM。此外，在波罗的海中部水柱中用湿式化学分析仪进行了现场调查。最后，结果与基于独立实验室方法（ICP-OES）进行的测量结果一致。

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来源
《Marine Chemistry》 |2012年第20期|p.21-27|共7页
作者
David Meyer; Ralf D. Prien; Olaf Dellwig; Douglas P. Connelly; Detlef E. Schulz-Bull;
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作者单位

Leibniz Institute for Baltic Sea Research Warnemuende, Seestrasse 15, 18119 Rostock, Germany;

Leibniz Institute for Baltic Sea Research Warnemuende, Seestrasse 15, 18119 Rostock, Germany;

Leibniz Institute for Baltic Sea Research Warnemuende, Seestrasse 15, 18119 Rostock, Germany;

National Oceanography Center, Southampton, European Way, Southampton SO14 3ZH, United Kingdom;

Leibniz Institute for Baltic Sea Research Warnemuende, Seestrasse 15, 18119 Rostock, Germany;

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正文语种 eng
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关键词
Seawater; Redoxcline; Ferene; In situ measurements; Iron(Ⅱ) sensor; Speciation;

机译：海水;氧化还原茶碱;ene;原位测量;铁（Ⅱ）传感器;形态;

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In situ determination of iron(Ⅱ) in the anoxic zone of the central Baltic Sea using ferene as spectrophotometric reagent

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