Brief description of the formation of nuclei of the technical field of the silver by a noble metal

摘要

P process of formation of nuclei of the precipitation of the silver, of a noble metal. / p & & p & the method comprises the steps of forming an aqueous solution of a stannous salt, the placing in contact with said solution, with an oxidizing agent in order to partially oxidizing the stannous ions and the addition of a noble metal salt or complex. / p & & p & application of the cores of the precipitation of the silver thus obtained for the preparation of additives in color photographic systems or systems of the diffusion - transfer to the silver in black and white). / p