4.6 Desiccator containing an efficient desiccant such as phosphorus pentoxide, silica gel, activated alumina, etc, and provided with a metal plate which allows the vessels to cool rapidly.
4.6 Dessiccateur contenant un déshydratant efficace tel que anhydride phosphorique, gel de silice, alumine activée, etc., et muni d'une plaque métallique permettant un refroidissement rapide des vases.