This standard specifies a method for the determination of phosphate content in soap. This standard is applicable to the determination of phosphate content in soaps, toilet soaps, transparent soaps, laundry soaps, and detergents containing large amounts of fatty acids.
QB/T 2623.8-2003 history
2003QB/T 2623.8-2003 Test methods of soaps Determination of phosphate content in soaps