Simultaneous Determination of Cu²⁺, Co²⁺ and Ni²⁺ by Fiber-Optic Spectroscopy in the Visible and Near-Infrared Range

The simultaneous quantitative determination of dissolved Cu²⁺, Co²⁺ and Ni²⁺ ions is important in many fields. These include metallurgy, geology, industrial wastewater analysis and the