This part of ISO 787 specifies a general method for comparing the resistance to bleeding of a Pigment with that of an agreed sample. NOTE - When this general method is applicable to a given Pigment, only a Cross-reference to it should be included in the International Standard relating to that Pigment with a note of any detailed modification which may be needed in view of the special properties of the Pigment in question. Only when this general method is not applicable to a particular Pigment should a special method for comparison of resistance to bleeding be specified.