机译:Dispersive liquid-liquid microextraction of Cd, Hg and Pb from medicines prior to ICP OES determination according to the United States Pharmacopeia
Univ Fed Sao Carlos, Dept Chem, Grp Appl Instrumental Anal, POB 676, BR-13560270 Sao Carlos, SP, Brazil;
Univ Alicante, Univ Inst Mat, Fac Sci, Dept Analyt Chem & Food Sci, POB 99, Alicante 03080, Spain;