Determination of the reduced sulfur species in the anoxic zone of the Black Sea: A comparison of the spectrophotometry and iodometry techniques

被引：0
|
作者：
A. V. Dubinin
T. P. Demidova
V. V. Kremenetskii
N. M. Kokryatskaya
M. N. Rimskaya-Korsakova
E. V. Yakushev
机构：
[1] Russian Academy of Sciences,Shirshov Institute of Oceanology
[2] Institute of Environmental Problems of the North,The Southern Branch of the Shirshov Institute of Oceanology
[3] Russian Academy of Sciences,undefined
[4] Norwegian Institute for Water Research,undefined
来源：
Oceanology | 2012年 / 52卷
关键词：
Thiosulfate; Hydrogen Sulfide; Sodium Sulfide; Anoxic Zone; Reduce Sulfur Species;
D O I：
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学科分类号：
摘要：
The report presents the results of the studies of the reduced sulfur species in the water of the anoxic zone of the Black Sea. The content of hydrogen sulfide was determined by means of spectrophotometry using dilution with oxygen-free distilled water. The detection limit of the H2S amounted to 0.3 μM with the method’s precision below 3%. The accuracy of the spectrophotometric determination was verified by iodometry after the fixation of the hydrogen sulfide in zinc acetate under the distillation with argon from the acidified seawater sample.
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页码：181 / 190
页数：9
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