American Society for Testing and Materials (ASTM). Current edition approved Jan. 1, 2005. Published February 2005. Originally approved in 1965. Last previous edition approved in 1999 as D 2698 – 90 (1999). 2 p. This test method covers the separation of pigment from solvent-reducible paints and the calculation of the percent pigment from the results of nonvolatile determinations on the total paint and the separated vehicle.