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Sodium selenosulfate is an unstable inorganic selenium compound, and thus does not have a commercially available product. It was used widely for the preparation of nano-materials containing selenium. For example, sodium selenosulfate was used to prepare nano-sized copper selenide, cadmium selenide, lead selenide and the like. Generally, sodium selenosulfate was prepared by mixing elemental selenium power with sodium sulfite with a molar ratio of 1:3 to 1:6 and refluxing at a temperature of 80-100¡ã C. for 2-4 hours. It is of prime importance for the stable time of the newly generated sodium selenosulfate that the sodium sulfite presents in excess, and the more sodium sulfite presents, the longer the stable time is. In general, the newly generated sodium selenosulfate is used immediately for the preparation of selenium nanomaterials.

[ Last edited by dchost on 2010-12-7 at 18:02 ]
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Sodium selenosulfate is an unstable inorganic selenium compound, and thus does not have a commercially available product. It was used widely for the preparation of nano-ma ...

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