👉 Platinizing, also known as platinium dioxide, is a chemical compound that has been used in the production of various products and materials for thousands of years. It was first synthesized by the Chinese chemist Liu Yong (1623-1697) in the 18th century. The term "platinizing" comes from the Latin word meaning to make something more platinized or refined, indicating that it has undergone a process of purifying and refining.