Objective To establish an ICP-MS method for the determination of trace elements,including Fe,Mn,Cr,Cu,Zn,Ba,Co,Ni,As,Hg,Pb,Cd,in Rhizoma Curcumae in 20 samples from different habitats.Methods The samples were digested by closed-vessel microwave.The solution was directly analyzed by ICP-MS.Ge,In and Bi were selected as internal standard elements for the method by which the analyse signal drife is corrected by the signal of another element(internal standard elements) added to both the standard solution and sa...
【更新日期】
2008-01-22
【分类号】
R284
【正文快照】
莪术为姜科植物蓬莪术(Curcuma phaeo-caulisVal.)、广西莪术(Curcuma kwangsiensisS.G.Lee et C.F.Liang)或温郁金(Curcuma wenyu-jinY.H.Chen et C.Ling)的干燥根茎。冬季茎叶枯萎后采挖,洗净,蒸或煮至透心,晒干或低温干燥后除去须根及杂质[1]。唐《药性论》及李时珍《本草纲