title: [The radiographic density of plastic materials (author's transl)].
abstract: The relative radiographic densities of the basic ingredients and commercially available plastic materials were studied with the help of a water phantom. Surprisingly, the relative radiographic density showed a wide spectrum from 0.25 to 7.0, as is shown in an extensive table. Particles with a relative radiographic density of greater than 4.0 can be identified over the lumbar spine. Particles with a density of less than 0.5 as well as greater than 1.5 can be seen in the soft tissues of the hand at 50 kv. All known plastics have higher radiographic transparency than the barium sulphate suspensions used for gastro-intestina examinations.
mesh_terms: D015502:Absorptiometry, Photon; D046911:Macromolecular Substances; D011095:Polyethylenes; D011108:Polymers; D011140:Polyurethanes; D011143:Polyvinyl Chloride
chemical_list: D046911:Macromolecular Substances; D011095:Polyethylenes; D011108:Polymers; D011140:Polyurethanes; D011143:Polyvinyl Chloride
vernacular_title: Zur Röntgendichte von Kunststoffen.