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Journal article

Determination of sulfide with acidic permanganate chemiluminescence for development of deep-sea in-situ analyzers.

Fujimori K, Tsujimoto K, Moriuchi-Kawakami T, Shibutani Y, Ueda M, Suzue T, Kimoto H, Okamura K...(+8 more)

Analytical sciences the international journal of the Japan Society for Analytical Chemistry, vol. 27, issue 2 (2011) pp. 183-186

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A new chemiluminescence method is proposed for the determination of sulfide in seawater based on the chemiluminescence reaction between sulfide and an acidic permanganate solution. 3-Cyclohexylaminopropanesulfonic acid was used as a chemiluminescence enhancer. By use of this method, 1-150 M of sulfide could be determined in artificial seawater. The limit of detection was 0.17 M sulfide. We investigated the effects of salinity, water temperature, and interfering chemicals such as heavy-metal ions and organic matter. In addition, natural seawater spiked with sulfide was analyzed. The results showed that the CL method could be applied to a deep-sea sulfide analyzer.

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