METHOD FOR PREPARING SILVER SALT OF ORGANIC ACID AND APPARATUS THEREFOR

摘要

PROBLEM TO BE SOLVED: To provide a method for preparing the silver salt of an organic acid giving a heat developable image recording material having high sensitivity and high stability of an image after heat development. SOLUTION: In the method for preparing the silver salt of an organic acid in which an aqueous solution containing silver ions is reacted with a solution containing an alkali metallic salt of the organic acid in a hermetically sealed mixing means, the silver ion solution is supplied to a reaction field solution in a stage before the mixing stage and then the alkali metallic salt solution is supplied to the reaction field solution or the hermetically sealed mixing means.