Silver halide photographic material containing selenium or tellurium compound

摘要

A silver halide photographic material comprises a silver halide emulsion layer provided on a support. The silver halide emulsion layer contains a selenium or tellurium compound represented by the formula (I): <IMAGE> (I) in which Ch is Se or Te; R1 is hydrogen, an aliphatic group, an aromatic group, a heterocyclic group, -OR11 or -NR12R13; each of R11, R12 and R13 is hydrogen, an aliphatic group, an aromatic group or a heterocyclic group; and R2 is an aliphatic group, an aromatic group or a heterocyclic group.