USP Controls on Lead in Pharmaceuticals
USP Controls on Lead in Pharmaceuticals. Heavy Metals – USP Perspective Darrell R. Abernethy, MD, Ph.D. Chief Science Officer. Two key tests USP <231> Heavy Metals detects metals colored by sulfide ion (Pb, Hg, Bi, As, Sb, Sn, Cd, Ag, Cu, Mo) thioacetamide test solution
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