| 摘要 |
PROBLEM TO BE SOLVED: To provide an ink that can alleviate the adverse effect of the recording medium despite the use of organic pigment, effectively inhibits the occurrence of bleeding in the formation of a colored image, and stably gives an image of high color development and high quality. SOLUTION: The objective ink comprises at least one kind of salt selected from (M1)2SO4, CH3COO(M1), Ph-COO(M1), (M1)NO3, (M1)Cl, (M1)Br, (M1)I, (M1)2SO3 and (M1)2CO3 (M1 represents an alkali metal, ammonium or organic ammonium, Ph represents phenyl) and a self-dispersion type organic pigment. |
