A field comparison of two methods for the determination of copper complexation: Bacterial bioassay and fixed-potential amperometry

Janet G. Hering; William G. Sunda; Randolph L. Ferguson; Francois M. M. Morel

doi:10.1016/0304-4203(87)90064-8

A field comparison of two methods for the determination of copper complexation: Bacterial bioassay and fixed-potential amperometry

Janet G. Hering, William G. Sunda, Randolph L. Ferguson, Francois M. M. Morel

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Abstract

Complexation of copper added to seawater was determined by bacterial bioassay and fixedpotential amperometry. Consistent results were obtained by these two fundamentally different methods. The results of this study support the validity of both techniques and the field applicability of fixed-potential amperometry. The intercomparison studies were performed on samples collected at the N.Y.C. sewage sludge dumpsite and in relatively unpolluted coastal waters. In this limited study, the calculated free cupric ion concentrations at ambient total copper concentrations were similar at both sites.

Original language	English (US)
Pages (from-to)	299-312
Number of pages	14
Journal	Marine Chemistry
Volume	20
Issue number	4
DOIs	https://doi.org/10.1016/0304-4203(87)90064-8
State	Published - Mar 1987

All Science Journal Classification (ASJC) codes

Oceanography
Chemistry(all)
Environmental Chemistry
Water Science and Technology

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title = "A field comparison of two methods for the determination of copper complexation: Bacterial bioassay and fixed-potential amperometry",

abstract = "Complexation of copper added to seawater was determined by bacterial bioassay and fixedpotential amperometry. Consistent results were obtained by these two fundamentally different methods. The results of this study support the validity of both techniques and the field applicability of fixed-potential amperometry. The intercomparison studies were performed on samples collected at the N.Y.C. sewage sludge dumpsite and in relatively unpolluted coastal waters. In this limited study, the calculated free cupric ion concentrations at ambient total copper concentrations were similar at both sites.",

author = "Hering, {Janet G.} and Sunda, {William G.} and Ferguson, {Randolph L.} and Morel, {Francois M. M.}",

note = "Funding Information: This research was supported by two contracts from the Ocean Assessments Division, National Ocean Services, NOAA (F.M. grant NA79 AA-D-00077), by NSF'grant OCE-8317532, and by International Copper Research Association (INCRA) project No. 364A.",

year = "1987",

month = mar,

doi = "10.1016/0304-4203(87)90064-8",

language = "English (US)",

volume = "20",

pages = "299--312",

journal = "Marine Chemistry",

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T1 - A field comparison of two methods for the determination of copper complexation

T2 - Bacterial bioassay and fixed-potential amperometry

AU - Hering, Janet G.

AU - Sunda, William G.

AU - Ferguson, Randolph L.

AU - Morel, Francois M. M.

N1 - Funding Information: This research was supported by two contracts from the Ocean Assessments Division, National Ocean Services, NOAA (F.M. grant NA79 AA-D-00077), by NSF'grant OCE-8317532, and by International Copper Research Association (INCRA) project No. 364A.

PY - 1987/3

Y1 - 1987/3

N2 - Complexation of copper added to seawater was determined by bacterial bioassay and fixedpotential amperometry. Consistent results were obtained by these two fundamentally different methods. The results of this study support the validity of both techniques and the field applicability of fixed-potential amperometry. The intercomparison studies were performed on samples collected at the N.Y.C. sewage sludge dumpsite and in relatively unpolluted coastal waters. In this limited study, the calculated free cupric ion concentrations at ambient total copper concentrations were similar at both sites.

AB - Complexation of copper added to seawater was determined by bacterial bioassay and fixedpotential amperometry. Consistent results were obtained by these two fundamentally different methods. The results of this study support the validity of both techniques and the field applicability of fixed-potential amperometry. The intercomparison studies were performed on samples collected at the N.Y.C. sewage sludge dumpsite and in relatively unpolluted coastal waters. In this limited study, the calculated free cupric ion concentrations at ambient total copper concentrations were similar at both sites.

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JF - Marine Chemistry

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A field comparison of two methods for the determination of copper complexation: Bacterial bioassay and fixed-potential amperometry

Abstract

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