Determination of the mobility and bioavailability of heavy metals in soil by sequential extraction analysisHödrejärv, Helvi; Vaarmann, AiniEuroanalysis IX : European Conference on Analytical Chemistry, Bologna (Italy), September 1-7, 1996 : [book of abstracts]1996 / p. Tu P 29 A study of the "injection" peak in ion chromatographyKuldvee, Ruth; Kaljurand, MihkelEuroanalysis IX : European Conference on Analytical Chemistry, Bologna (Italy), September 1-7, 1996 : [book of abstracts]1996 / p. Fr P 30