For citations:

Grachev S.A., Tretyakov A.V., Amelin V.G. Optimization of sample preparation conditions in the determination of total arsenic in fish and seafoods by atomic absorption spectrometry with electrothermal atomization. Industrial laboratory. Diagnostics of materials. 2023;89(1):5-10. (In Russ.) https://doi.org/10.26896/1028-6861-2023-89-1-5-10