FIELD: analytical chemistry, detection of palladium ( II ) in sewage and industrial solutions. SUBSTANCE: proposed indicator composition to detect Pd ( II ) in aqueous solutions contains nitric acid, nitroso-R-salt, water and sorbent- anionite AHC-80 with following proportion of components, per cent by mass: anionite AHC-80 0.4; nitric acid 0.001; nitroso-R-salt 0.4; water being the balance. EFFECT: expanded line range of detected concentrations of palladium ( II ) in aqueous solutions, raised sensitivity and improved selectivity of method. 3 tbl
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