01580oam 2200397 a 450 991069886760332120090512140341.0(CKB)5470000002397188(OCoLC)320837539(EXLCZ)99547000000239718820090512d2008 ua 0engurcn||||a||||txtrdacontentcrdamediacrrdacarrierGuidance for industry[electronic resource] Q4B evaluation and recommendation of pharmacopoeial texts for use in the ICH regionAnnex 1Residue on ignition/sulphated ash general chapterRockville, MD :U.S. Dept. of Health and Human Services, Food and Drug Administration, Center for Drug Evaluation and Research :Center for Biologics Evaluation and Research,[2008]i, 3 pages digital, PDF fileTitle from title screen (viewed on May 12, 2009)."February 2008."Includes bibliographical references (page 3).Guidance for industry PharmacopoeiasStandardsInternational cooperationAsh (Combustion product)PharmacopoeiasStandardsInternational cooperation.Ash (Combustion product)Center for Drug Evaluation and Research (U.S.)Center for Biologics Evaluation and Research (U.S.)GPOGPOGPOBOOK9910698867603321Guidance for industry3434577UNINA