This standard specifies the oven method for the determination of moisture and volatile content in soap. This standard is applicable to the determination of moisture and other substances lost by soap under heating conditions of (103 ± 2) ℃, and is not applicable to composite soaps.
QB/T 2623.4-2003 history
2003QB/T 2623.4-2003 Test methods of soaps Determination of moisture and volatile matter content in soaps-Oven method