Determination of metallic and non-metallic elements in coastal seawater and in algal biomass by atomic absorption spectrometry using colloidal palladium modifierViitak, Anu; Volynsky, Anatoly B.; Truus, Kalle; Vaher, Merike; Levandi, Tuuli4th International Conference, Instrumental Methods of Analysis Modern Trends and Applications2005 / p. 371 Simple procedure for the determination of Cd, Pb, As and Se in biological samples by electrothermal atomic absorption spectrometry using colloidal Pd modifierViitak, Anu; Volynsky, Anatoly B.Talanta2006 / 4, p. 890-895 : ill