For citations:

Saunina I.V., Gribanov E.N., Oskotskaya E.R. Atomic absorption determination of Hg (II), Cd (II), and As (III) in natural and waste water after preliminary group preconcentration. Industrial laboratory. Diagnostics of materials. 2019;85(2):12-16. (In Russ.) https://doi.org/10.26896/1028-6861-2019-85-2-12-16