| 摘要 |
<p>This invention concerns a non-spectral sensitized radiographic product for exposure to ionizing radiation of energy equal to at least 40 keV containing at least 50 mg/dm<2>, which comprises a support covered with on at least one of its sides with a layer of silver halide emulsion in which at least 50% of the grains are tabular grains, and at least 0.05 mmol/mol Ag of a compound of formula <CHEM> wherein R<1> and R<2> are each independently an atom of hydrogen, an alkyl group comprising from 1 to 5 atoms of carbon, substituted or not, a hydroxyl group, or a benzyl group; R<3> and R<4> are each independently a hydrogen, or an alkyl group from 1 to 5 atoms of carbon, or jointly comprise the atoms necessary to form a heterocycle of 4 to 6 atoms, substituted or not. The product for industrial radiography of the invention provides an improved keeping of the latent image and higher speed.</p> |
