| abstract |
(57) [Problem] To provide a method of platinum plating an ion exchange membrane used for obtaining oxygen gas and hydrogen gas by electrolyzing water. SOLUTION: The side wall blast is used for the ion exchange membrane, After the roughening treatment, the sensitizing treatment in a tin chloride solution, the activation treatment in a palladium chloride solution, the reduction treatment in a hydrazine-hydrate solution, and then pour the chloroplatinic acid solution in the immersion cell plating apparatus, Platinum plating method for ion exchange membrane. |