MAGENTA INK COMPOSITION, INK SET, INK CARTRIDGE, AND UTILIZING THESE, METHOD OF RECORDING, RECORDING SYSTEM AND RECORDING PRODUCT

摘要

A magenta ink that excels in the color reproduction in a region of high color saturation and low lightness, reducing the possibility of clogging in inkjet recording heads, and that also exhibits enhanced luster; and an ink set for inkjet recording, including this ink. There is provided a magenta ink composition wherein with respect to a = 10,000-fold dilute aqueous solution, when the a*-value according to CIE standard calculated from visual absorption spectrum is 80, the relevant b*-value is = -29. Further, there is provided a magenta ink composition wherein with respect to a dilute aqueous solution of 2×10