Abstract: An ink composition of the invention is an ink composition to be ejected by an ink jet system and includes silver particles and water. When a composition A formed of components of the ink composition other than the water is held in an atmosphere at an ambient temperature of 23° C. and a relative humidity (RH) of 50%, the equilibrium moisture content of the component A is in a range of 2 to 7.8 percent by mass.

Abstract: In an advantage of embodiments of the invention, there is provided an aqueous ink composition at least containing water, silver particles, and a humectant, and the humectant is at least one member selected from glycerols, glycols, and saccharide.

Abstract: An ink jet recording method includes forming a first image by applying by an ink jet method a glitter ink in which a glitter pigment is dispersed to a first region of a recording medium in which the glitter first image is to be formed, and forming a second image by applying by an ink jet method a color ink containing a coloring material to a second region of the recording medium in which the colored second image is to be formed, the amount per unit area of the glitter ink ejected in an overlapping region in which the first region overlaps the second region being smaller than the amount per unit area of the glitter ink ejected in the first region excluding the overlapping region.

Abstract: An ink jet recording method includes forming a first image by applying by an ink jet method a glitter ink in which a glitter pigment is dispersed to a first region of a recording medium in which the glitter first image is to be formed, and forming a second image by applying by an ink jet method a color ink containing a coloring material to a second region of the recording medium in which the colored second image is to be formed, the amount per unit area of the glitter ink ejected in an overlapping region in which the first region overlaps the second region being larger than the amount per unit area of the glitter ink ejected in the first region excluding the overlapping region.

Abstract: A recording apparatus records a glitter color image on a medium by superimposing a glitter image formed by discharging a glitter ink and a color image formed by discharging at least one of a first color ink and a second color ink. The recording apparatus records a color sample table including a first pattern obtained by superimposing a glitter image formed with a predetermined ink amount per unit area and a color image; and a second pattern obtained by superimposing a glitter image formed with the predetermined ink amount per unit area and a color image having substantially the same color as that of the color image of the first pattern by using the first color ink or the second color ink at a different ink amount per unit area from that of the color image of the first pattern.

Abstract: An ink jet recording method includes making a record on a recording medium having micropores using an ink composition containing a glitter pigment. The glitter pigment has an average particle diameter in the range of 1 nm to 100 nm, inclusive, and the recording medium has an average micropore diameter in the range of 3 nm to 200 nm, inclusive.

Abstract: An ink jet recording method according to an aspect of the invention includes: discharging droplets of a glitter ink composition containing a glitter pigment onto a recording medium to form a glitter region on the recording medium; and discharging a colored ink composition containing a colorant onto the glitter region to form a colored glitter region on the recording medium, wherein when light is irradiated on the colored glitter region at an angle of 45 degrees, with a normal direction with respect to the colored glitter region as 0 degrees, the ratio [(C*45°)/(C*0°)] between the saturation of the colored glitter region measured based on light reflected at an angle of ?45 degrees (C*45°) and the saturation of the colored glitter region measured based on light reflected at an angle of 0 degrees (C*0°) is equal to or greater than 1.

Abstract: An ink composition includes an aluminum pigment, a white pigment, and a dispersion solvent, wherein the ink composition has a structure in which the aluminum pigment is dispersed in the dispersion solvent and the content of the white pigment is 0.01% to 10% based on the content of the aluminum pigment, or includes silver particles, a white pigment, and water, wherein the particle diameter d90 in the particle diameter accumulation curve of the silver particles is 50 nm to 1 ?m, the ink composition has a structure in which the silver particles are dispersed in the water, and the content of the white pigment is 1% to 10% based on the content of the silver particles.

Abstract: An ink jet recording method according to an aspect of the invention includes: discharging droplets of a glitter ink composition containing a glitter pigment onto a recording medium to form a glitter region on the recording medium; and discharging a colored ink composition containing a colorant onto the glitter region to form a colored glitter region on the recording medium, wherein when light is irradiated on the colored glitter region at an angle of 45 degrees, with a normal direction with respect to the colored glitter region as 0 degrees, the ratio [(C*45°)/(C*0°)] between the saturation of the colored glitter region measured based on light reflected at an angle of ?45 degrees (C*45°) and the saturation of the colored glitter region measured based on light reflected at an angle of 0 degrees (C*0°) is equal to or greater than 1.

Abstract: An ink jet recording method includes forming a first image by applying by an ink jet method a glitter ink in which a glitter pigment is dispersed to a first region of a recording medium in which the glitter first image is to be formed, and forming a second image by applying by an ink jet method a color ink containing a coloring material to a second region of the recording medium in which the colored second image is to be formed, the amount per unit area of the glitter ink ejected in an overlapping region in which the first region overlaps the second region being larger than the amount per unit area of the glitter ink ejected in the first region excluding the overlapping region.

Abstract: An ink jet printing apparatus prints an image using glitter ink with dispersed glitter pigment and clear ink which does not substantially include a color material. The ink jet printing apparatus has a first mode of ejecting substantially only the glitter ink to the printing medium to form the image by an ink jet method, and a second mode having a process of ejecting the glitter ink to the printing medium to form a first image by an ink jet method and a process of ejecting clear ink onto the first image by the ink jet method to form a second image, to form the image formed of the first image and the second image. A mode is selected from the first mode and the second mode to print the image on the printing medium.

Abstract: A recording apparatus records a glitter color image on a medium by superimposing a glitter image formed by discharging a glitter ink and a color image formed by discharging at least one of a first color ink and a second color ink. The recording apparatus records a color sample table including a first pattern obtained by superimposing a glitter image formed with a predetermined ink amount per unit area and a color image; and a second pattern obtained by superimposing a glitter image formed with the predetermined ink amount per unit area and a color image having substantially the same color as that of the color image of the first pattern by using the first color ink or the second color ink at a different ink amount per unit area from that of the color image of the first pattern.

Abstract: An ink composition of the invention is an ink composition to be ejected by an ink jet system and includes silver particles and water. When a composition A formed of components of the ink composition other than the water is held in an atmosphere at an ambient temperature of 23° C. and a relative humidity (RH) of 50%, the equilibrium moisture content of the component A is in a range of 2 to 7.8 percent by mass.

Abstract: An ink jet recording method includes forming a first image by applying by an ink jet method a glitter ink in which a glitter pigment is dispersed to a first region of a recording medium in which the glitter first image is to be formed, and forming a second image by applying by an ink jet method a color ink containing a coloring material to a second region of the recording medium in which the colored second image is to be formed, the amount per unit area of the glitter ink ejected in an overlapping region in which the first region overlaps the second region being smaller than the amount per unit area of the glitter ink ejected in the first region excluding the overlapping region.

Abstract: An ink jet recording method includes making a record on a recording medium having micropores using an ink composition containing a glitter pigment. The glitter pigment has an average particle diameter in the range of 1 nm to 100 nm, inclusive, and the recording medium has an average micropore diameter in the range of 3 nm to 200 nm, inclusive.

Abstract: An ink composition includes an aluminum pigment, a white pigment, and a dispersion solvent, wherein the ink composition has a structure in which the aluminum pigment is dispersed in the dispersion solvent and the content of the white pigment is 0.01% to 10% based on the content of the aluminum pigment, or includes silver particles, a white pigment, and water, wherein the particle diameter d90 in the particle diameter accumulation curve of the silver particles is 50 nm to 1 ?m, the ink composition has a structure in which the silver particles are dispersed in the water, and the content of the white pigment is 1% to 10% based on the content of the silver particles.

Abstract: In an advantage of embodiments of the invention, there is provided an aqueous ink composition at least containing water, silver particles, and a humectant, and the humectant is at least one member selected from glycerols, glycols, and saccharide.