| 摘要 |
<p>A stable, low speed direct-positive silver halide photographic material, which can be safely handled under a yellow light or room light free of UV comprises a support, a silver halide emulsion layer comprising fogged silver halide particles prepared in the presence of a water soluble iridium or rhodium salt, and a hydrophilic colloidal layer which comprises a compound having the Formula [I] or [II], and at least one compound selected from a compound having the Formula [III] and a gold compound.
<CHEM>
wherein R1 or R3 is hydrogen, alkyl, -SO3M or -COOM (wherein M is hydrogen, alkali metal or ammonium) and R2 is hydrogen or alkyl, R4 is hydrogen, alkyl of -CH2 -S-(CH2)n-Y min (wherein n is 1 to 3, and Y min is hydrogen of -SO3M),
H2N-Y &lsqbstr& NH-Y &rsqbstr& @NH2 (III)
= wherein n is 1 to 5, and Y is alkylene.</p> |
