... ,clear aqueous solutionPlace of Origin:Shandong China (Mainland) SpecificationPharmaceutical grade PVP-K series(CP2010,USP32)ItemsK-30K-90K value27-3281 ... pb.(PPM)≤10≤10Hydrazines(PPM)≤1≤1Peroxides%(H2O2)≤400≤400Technical Grade PVP-K series Itemsk-30(powder)K-30(aq.) ... in more than one hundred drugs. PVP K30 (pharmaceutical grade, povidone K30)has been permitted by China National Drug Administration ...