Fabrication of a novel holmium(III) PVC membrane sensor based on 4-chloro-1 2-bis(2-pyridinecarboxamido)benzene as a neutral ionophore

Fabrication of a novel holmium(III) PVC membrane sensor based on 4-chloro-1 2-bis(2-pyridinecarboxamido)benzene as a neutral ionophore
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