紫外可见分光光度法测定炉甘石洗剂中氧化锌的含量

eLotionbyUltraviolet-VisibleSpectrophotometryZhouJian-lin(JiangsuDesanoPharmaceuticalCo.,Ltd,Changzhou,213300)[Abstract]ObjectiveToestablishamethodfordeterminingthecontentofZincOxideinCalamineLotionbyultraviolet-visiblespectrophotometry.hecontentofZincOxideinCalamineLotionbyultraviolet-visiblespectrophotometry,atthedetectionwavelengthof625nm.ResultsTherewasagoodlinearrelationshipbetweentheconcentration-1andabsorbanceofZincOxidewithintherangeof0.5-5μg?mL(r=0.9997).Theaveragerecoveryofsamplewas99.2%withRSDof0.8%(n=9).plexometrictitration.urate,andthemethodisreliable.Thisultraviolet-visiblespectrophotometrydeterminationofmaindrugcaneffectivelyensurethequalitycontrolofthepreparation.[Keyword]Ultraviolet-visiblespectrophotometry;CalamineLotion;plexometrictitration作者简介:周建林,男,工程师,Emaial:zjl-1964@