One aspect relates to a method for the manufacture of a medical electrode, including: (i) providing a substrate; (ii) applying a composition onto the substrate, wherein the composition comprises (a) a non-aqueous solvent and (b) an organic precious metal complex compound that is dissolved in the solvent; (iii) heating the composition and thereby forming a precious metal layer on the substrate, wherein the solubility of the organic precious metal complex compound in propylene glycol mono-propyl ether at 25° C. and 1013 hPa is at least 1 mass percent, or at least 2, 3, 4, 5 or 10 mass percent, in relation to the total mass of the composition.