JIS K5101-14-1-2004 "Pigment Test Methods, Part 14: Determination of Residues on Filters, No. 1 Water Saving Method (Manual Procedure) ", specifies the method of measuring residues on pigment filters by manual water flushing. The standard specifies the sample preparation, filter specifications, and details the manual flushing operation steps, water flow control requirements, as well as the residue collection, drying and weighing processes. Through scientific quantification of the detection process, it provides a unified technical standard for the accurate determination of pigment filter residue content and the control of pigment quality.