Copper complexing capacity of seawater: A critical appraisal of the direct ASV method

Boaz Lazar; Amitai Katz; Sam Ben-Yaakov

doi:10.1016/0304-4203(81)90043-8

Copper complexing capacity of seawater: A critical appraisal of the direct ASV method

Boaz Lazar, Amitai Katz, Sam Ben-Yaakov

Department of Electrical & Computer Engineering

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

The break-point in the Cu(II) titration curve obtained by anodic stripping voltammetry (ASV) is usually attributed to the formation of strong organo-copper complexes. This interpretation is the basis for the direct determination by ASV of the copper complexing capacity of natural waters. The present study suggests, however, that the break in the Cu(II) titration curve in seawater, as determined by ASV, could be due to the formation of a ZnCu intermetallic compound (IC) formed in the mercury during the deposition stage of the ASV procedure.

Original language	English
Pages (from-to)	221-231
Number of pages	11
Journal	Marine Chemistry
Volume	10
Issue number	3
DOIs	https://doi.org/10.1016/0304-4203(81)90043-8
State	Published - 1 Jan 1981

ASJC Scopus subject areas

Oceanography
Chemistry (all)
Environmental Chemistry
Water Science and Technology

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abstract = "The break-point in the Cu(II) titration curve obtained by anodic stripping voltammetry (ASV) is usually attributed to the formation of strong organo-copper complexes. This interpretation is the basis for the direct determination by ASV of the copper complexing capacity of natural waters. The present study suggests, however, that the break in the Cu(II) titration curve in seawater, as determined by ASV, could be due to the formation of a ZnCu intermetallic compound (IC) formed in the mercury during the deposition stage of the ASV procedure.",

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T2 - A critical appraisal of the direct ASV method

AU - Lazar, Boaz

AU - Katz, Amitai

AU - Ben-Yaakov, Sam

PY - 1981/1/1

Y1 - 1981/1/1

N2 - The break-point in the Cu(II) titration curve obtained by anodic stripping voltammetry (ASV) is usually attributed to the formation of strong organo-copper complexes. This interpretation is the basis for the direct determination by ASV of the copper complexing capacity of natural waters. The present study suggests, however, that the break in the Cu(II) titration curve in seawater, as determined by ASV, could be due to the formation of a ZnCu intermetallic compound (IC) formed in the mercury during the deposition stage of the ASV procedure.

AB - The break-point in the Cu(II) titration curve obtained by anodic stripping voltammetry (ASV) is usually attributed to the formation of strong organo-copper complexes. This interpretation is the basis for the direct determination by ASV of the copper complexing capacity of natural waters. The present study suggests, however, that the break in the Cu(II) titration curve in seawater, as determined by ASV, could be due to the formation of a ZnCu intermetallic compound (IC) formed in the mercury during the deposition stage of the ASV procedure.

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U2 - 10.1016/0304-4203(81)90043-8

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JO - Marine Chemistry

JF - Marine Chemistry

IS - 3

ER -

Copper complexing capacity of seawater: A critical appraisal of the direct ASV method

Abstract

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