Abstract

Abstract Dilute solutions (10–50 ppb) of mercury and zinc are prepared using artificial marine water and natural marine water, labelled with 203Hg and 65Zn. 203Hg in inorganic form is lost considerably from both solutions caused by vaporization to the atomosphere and presumably by adsorption to the surface of containers. In natural marine water some biological activities participate for the behavior of both metals but it seems to be in smaller extent than that in pond water. 65Zn remained constant with no loss under these experimental conditions. When CH3 203HgC1 is added to the solution instead of 203HgC12, 203Hg is scarcely lost but a smaller amount is observed to be lost by vaporization from well-test tubes. In natural marine water, however, CH3 203HgC1 is also lost in the similar manner as 203HgC12.

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