Validation and in situ application of an automated dissolved nickel monitor for estuarine studies

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	Validation and in situ application of an automated dissolved nickel monitor for estuarine studies
	David J. Whitworth ; Eric P. Achterberg* ; Malcolm Nimmo and Paul J. Worsfold
发表期刊	Analytica Chimica Acta
ISSN	0003-2670
	1998
卷号	371 页码:235-246
关键词	Automated Metal Monitor Adsorptive Cathodic Stripping Voltammetry Dissolved Nickel On-line Analysis Tamar Estuary
英文摘要	The validation of a fully automated dissolved Ni monitor for in situ estuarine studies is presented, based on adsorptive cathodic stripping voltammetry (AdCSV). Dissolved Ni concentrations were determined following on-line filtration and UV digestion, and addition of an AdCSV ligand (dimethyl glyoxime) and pH buffer (N-2-hydroxyethylpiperazine-N′-2-ethanesulphonic acid). The technique is capable of up to six fully quantified Ni measurements per hour. The automated in situ methodology was applied successfully during two surveys on the Tamar estuary (south west Britain). The strongly varying sample matrix encountered in the estuarine system did not present analytical interferences, and each sample was quantified using internal standard additions. Up to 37 Ni measurements were performed during each survey, which involved 13 h of continuous sampling and analysis. The high resolution data from the winter and summer tidal cycle studies allowed a thorough interpretation of the biogeochemical processes in the studied estuarine system.
语种	英语
文献类型	期刊论文
条目标识符	http://ir.yic.ac.cn/handle/133337/3061
专题	科研共享资源
推荐引用方式 GB/T 7714	David J. Whitworth,Eric P. Achterberg*,Malcolm Nimmo and Paul J. Worsfold. Validation and in situ application of an automated dissolved nickel monitor for estuarine studies[J]. Analytica Chimica Acta,1998,371:235-246.
APA	David J. Whitworth,Eric P. Achterberg*,&Malcolm Nimmo and Paul J. Worsfold.(1998).Validation and in situ application of an automated dissolved nickel monitor for estuarine studies.Analytica Chimica Acta,371,235-246.
MLA	David J. Whitworth,et al."Validation and in situ application of an automated dissolved nickel monitor for estuarine studies".Analytica Chimica Acta 371(1998):235-246.

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