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Storage and stability of mercury and methylmercury in sea water

✍ Scribed by Riaz Ahmed; M. Stoeppler

Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
287 KB
Volume
192
Category
Article
ISSN
0003-2670

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✦ Synopsis

The long-term storage behavior of mercury and methylmercury at ng I-' levels in sea water was studied at pH 4.0, 6.0, 8.0 and 10.0, and with 2% (v/v) hydrochloric or nitric acid added. Partial complexation and disappearance of mercury and methylmercury were observed; some of the lost mercury became detectable (by coldvapour atomic absorption spectrometry) after prolonged storage.

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Mercury (Hg) contamination, which includes its toxic byproduct monomethylmercury (MMHg), is ubiquitous and often severe in estuarine and near-shore systems of industrialized countries. However, Hg cycling is not well studied in anthropogenically impacted systems such as New York/New Jersey Harbor Es