This document provides information about a rhodium plating solution called Safirodio 20 Plus. It is a white rhodium solution intended for decorative applications that produces bright white coatings up to 1 micrometer thick. The solution is an acid gold bath containing 2 grams of rhodium per 100 milliliters with 34-36 grams/liter of free sulfuric acid and a pH of 1-3 at 35 degrees Celsius. Plating is done at a temperature of 40 degrees Celsius and a voltage of 3-4.5 volts.