Ink, aqueous ink for ink-jet recording, ink set, ink cartridge, recording unit, image-recording apparatus, color-image-recording apparatus, ink-jet recording process and bleeding reducing method

1. Field of the Invention The present invention provides a pigment ink having carbon black having a dispersant and an ink which can provide high-grade images having a superior rub resistance without the loss of the inherent advantages of the pigment ink and can keep bleeding from occurring when color images are formed.The ink is an ink comprising at least one salt selected from (M)SO, CHCOO(M), Ph-COO(M), (M)NO, (M)Cl, (M)Br, (M)I, (M)SOand (M)COwherein Mrepresents an alkali metal, ammonium or an organic ammonium, and Ph represents a phenyl group, and a carbon black having a dispersant.