2. Q4B OUTCOME

The ICH Steering Committee , based on the evaluation by the Q4B Expert Working Group ( EWG ) , recommends that the official pharmacopoeial texts , Ph . Eur . 20414 Sulphated Ash JP 2.44 Residue on Ignition Test , and USP & lt .Residue on Ignition can be used as interchangeable in the ICH region given the following : 2.1.1 Unless otherwise specified in a monograph , an appropriate sample weight is chosen , typically 1-2g .The proposed texts evaluated did not contain acceptance criteria .