👉 The term "postrachitic" is a term used in chemistry to describe a compound that has been treated with a strong acid, such as sulfuric acid (H2SO4), and then subjected to a process of precipitation or condensation. This process involves the addition of water and the formation of insoluble precipitates or crystals. The presence of this precipitate indicates the completion of the treatment process. In chemical terms, "postrachitic" refers to a compound that has undergone