How to check the presence of Cadmium ions in a given complex by doing chemical analysis?

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Vijayakumar Samiyappan

Well, it depends on the resources you have.

At the undergraduate level, we have taken the cadmium salt in dil.HCl and pass hydrogen Sulphide (can be generated by slowly adding dil.HCl into ZnS). Yellow precipitate indicates the presence of cadmium.

Metal coordinating compounds like Dithioxamide can also help, but I don't've experience on this.

Zhixue Cheng

IP/MS method

George Buchbinder

UV-Vis spectrometry could confirm the presence of the Cd complex interested.

Bishal Kumar Nahak

XPS elemental analysis and UV-Visible are the best possible ways to confirm this element.