Abstract
AbstractThe gelatin fraction adsorbed on silver iodobromide particles was recovered by dissolution of the particles with sodium thiosulphate. The sodium dodecylsulphate, SDS, electrophoretic pattern of the recovered fraction was clearly different from that of the original gelatin. This is a direct indication of selective adsorption. Extraction of the adsorbed gelatin from the particles was examined with several reagents. Among them, the SDS extract gave a similar electrophoretic pattern to that of the fixation-recovered fraction. Electrophoretic patterns of SDS-extracted fractions from AgCl, AgBr and Agl particles indicate that the absorptions by these silver halides are selective and selectivity by each silver halide is different.
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