The Distribution of Certain Trace Elements in Tropical Sea Water and Their Biological Significance
Abstract:An investigation of the distribution of three trace elements, iron, copper, and nickel was made in the tropical waters of the Florida Current. Methods which were developed for the direct colorimetric measurement of iron and copper were utilized in this study. Iron and copper exist primarily as a “soluble” organic complexes.
Nickel was precipitated as carbonate from sea water. Its concentration was determined by the extraction of an organic complex and subsequent colorimetric analysis. Its distribution followed closely the distribution pattern of copper.
The biological and hydrographic significance of this investigation are discussed.
Document Type: Research Article
Publication date: January 1, 1964
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