FIELD: analytical methods. SUBSTANCE: analysis of toxic compounds combines gyromagnetic quadrupole resonance technique and concentrating substance being analyzed in adsorbed state directly on liquid-metal electrode by way of reducing electrode surface with no desorption of adsorbate. Gyromagnetic quadrupole resonance activity of surface with adsorbate is increased by means of converting scattering electrode into solid state and depositing resonance-active metal. EFFECT: improved accuracy.
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