FIELD: technological processes.
SUBSTANCE: invention relates to electroanalysis and electrochemical sensors and can be used in analytical chemistry, in designing biosensors, in clinical and non-invasive diagnostics, for monitoring the environment in various industries. Method involves successive single deposition of iron and nickel hexacyanoferrates onto the electrode surface. Task is solved by performing complex optimization of synthesis parameters: the amount of precipitated hexacyanoferrates varied within a wide range until an optimum ratio is established.
EFFECT: method enables to obtain reproducible sensor coatings with high sensitivity, selectivity and stability.
8 cl, 4 dwg, 2 tbl
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