Selenium or tellurium elemental hydrosols and their preparation
AssigneesHBT Holland Biotechnology B.V., Agrotechnologisch Onderzoekinstituut (ATO)
InventorsJan H. Wickers, Wilhelmus M. J. van Gelder, Albert W. J. van Doorn
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Abstract
The invention relates to a process for the preparation of a sol of a metallic or a non-metallic element, such as selenium, tellurium, gold and silver, wherein said process comprises the reduction of a chemical compound, which contains said element in a reducible state, with a borane compound, such as an alkali metal borohydride or an amine borane, as the reducing agent.
Claims9
A process for the preparation of a hydrosol of a non-metallic element selected from the group consisting of selenium and tellurium comprising treating an aqueous solution of a chemical compound containing said element with a reducing agent consisting of a borane compound.
Dependencies are inferred from the claim text.