BABULA Petr1, BEKLOVÁ Miroslava1, SVOBODOVÁ Zdeňka1,
MAJZLÍK Petr2, ADAM Vojtěch2, KIZEK René2
(1Veterinární a farmaceutická univerzita Brno, 2Mendelova univerzita v Brně)
Rychlé spektrofotometrické stanovení iontů lanthanu ve vzorcích vod Rapid spectrophotometric determination of lanthanum(III) ions in water samples
Lanthanum as a member of lanthanides group represents widely used element, which biological properties and interactions
with biomolecules are still almost unknown. Due to industrial utilization of lanthanum compounds, but also due to their
applications in medicine, lanthanum poses potential ecological risk. Therefore, it is necessary to look for new methods
of its determination in biological samples and determine possible impact on the organisms. As the most suitable, especially
because of difficultness of its determination by the use of other methods, such as atomic absorption spectroscopy, appear
spectophotometric methods based on formation of coloured complexes. Aim of this submitted work consisted in optimization
of spectrophotometric method based on the formation of coloured complexes with the Arsenazo III reagent and its application
in determination of free, it means bio-available lanthanum(III) ions in samples of water.