Ink set and recording apparatus

An ink set which is used for a recording apparatus including a printer head which is provided with 4000 or more ink jet discharging nozzles for each color comprising:

• black ink;
• and
• color ink,
• wherein the black ink contains carbon black having a carboxyl group on a surface thereof, a resin particle having a carboxyl group on a surface thereof, betaine, an alkali ion, and water,
• wherein the alkali ion contains a potassium ion, a sodium ion, and an organic alkali compound,
• wherein a content of the potassium ion is the largest among the alkali ions, and
• wherein the organic alkali compound contains at least one selected from the group consisting of triisopropanolamine, ammonia, hydrazine, methylamine, ethylamine, diethylamine, triethylamine, propylamine, dipropylamine, butylamine, diaminoethane, diaminopropane, diaminobutane, diaminopentane, diaminohexane, cyclohexylamine, aniline, tetramethyl ammonium hydroxide, tetraethyl ammonium hydroxide, tetrapropyl ammonium hydroxide, tetrabutyl ammonium hydroxide, benzyl trimethyl ammonium hydroxide, pyridine, N,N-dimethyl-4-aminopyridine, ammonium carbonate, ammonium hydrogen carbonate, and hydrogen phosphate diammonium.