Title: Indirect ammoniating preparation for silver halides sensitive emulsion
Application Number: 200410096767 Application Date: 2004.12.07
Publication Number: 1614507 Publication Date: 2005.05.11
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G03C1/005,G03C1/015
Applicant(s) Name: Chinese Lekai Film Group Co. Address: 071054
Inventor(s) Name: Li Yaning, Li Fujian
Attorney & Agent: cai zhiyong liu qinbin
Abstract:
     A method for preparing silver halide photosensitive emulsion is featured as adding a base in metal halide solution and adding an ammonium salt in silver salt solution, forming ammonia by reacting on base with ammonium salt at time when metal halide solution is mixed with silver salt solution in reaction. The prepared emulsion can be used for colour or black photographic material.
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