abstract |
An ink having excellent ejection stability is provided. An ink-jet ink according to the present invention contains water, a water-soluble organic solvent, a coloring material, a polyol having a solubility in water of 10 wt% or less in a standard state (25 ° C., 1 atm), and a dissolved oxygen concentration. The weight ratio of the dissolved nitrogen concentration with respect to 1 is 10 or more. [Selection figure] None |