| 摘要 |
PROBLEM TO BE SOLVED: To provide an ink with controlled occurrence of boundary blotting so as to permit ink jet recording with high-speed setting and a photographic image quality, an ink set, and an ink jet recording method which can realize ink jet recording with high-speed setting and a photographic image quality. SOLUTION: The ink has a hafnium content of 10 ppb to 10 ppm, preferably 100 ppb to 1 ppm, comprises a pigment ink having a zeta potential of 40-70 mV, and has a viscosity of 3.5-6.0 mPa.s. |
