INK SET FOR INKJET, RECORDING METHOD, AND RECORDED MATTER

摘要

PROBLEM TO BE SOLVED: To provide an ink set with which an image displaying the lapse of time and an experienced heat history is recorded.SOLUTION: An ink set for inkjet includes a plurality of ink, and includes: first ink containing an acidic substance or a basic substance with a normal boiling point of 370°C or lower; and second ink containing a pH color change type pigment, wherein the acidic substance is exemplified by an organic acid, and the basic substance is exemplified by an organic amine.