Abstract
A cold-vapor atomic absorption technique for the analysis of mercury in sea water has been developed and tested. It is adaptable to use on shipboard, and sufficiently sensitive to monitor the mercury content of ocean waters at the rate of 4 to 6 samples per hour. Laboratory analyses show the technique to be capable of 7·7% relative standard deviation with samples of 220 ng/l. Application of the technique to water samples returned from arctic areas have indicated changes in mercury content from the 50 ng/l. typical of open ocean water, to 360 ng/l. for surface waters associated with sea ice.
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