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为获得高感照相材料,一般不采用溴化银乳剂,而采用溴碘化银乳剂。但是,微晶内部或微晶之间碘化银分布状况却因加碱金属碘的方法及晶体生成条件的不同而不同。这一因素也决定着乳剂的照相性能。本文阐述在已形成的大小不同的碘化银晶核上,溴化银结晶过程各阶段发光光谱的变化。目的是研究双注法中,用两种不同的加碘方法生成溴碘化银混晶的动力学和机理。大家知道,碘化银、溴化银和溴碘化银
In order to obtain high-sensitivity photographic materials, silver bromide emulsions are generally not used and silver bromoiodide emulsions are used. However, the distribution of silver iodide in the microcrystal or in the microcrystal varies with the method of adding alkali metal iodide and the conditions of crystal formation. This factor also determines the photographic properties of the emulsion. This article describes the evolution of the luminescence spectra of silver bromide crystals at various stages of the formation of silver iodide nuclei of different sizes. The purpose is to study the kinetics and mechanism of two brominated iodine mixed crystals produced by two different iodination methods in a double injection method. As you know, silver iodide, silver bromide, and silver bromoiodide