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Apart from GF AAS and direct titrations, describe three techniques for the analysis of metal ions.

Apart from GF AAS and direct titrations, describe three techniques for the analysis of metal ions.

Science   Chemistry   
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Answer #1

X-ray Flurorescence (XRF)

XRF can be used to analyze the metal ions.

In XRF, an incident X-ray knocks out the core electrons of metal ions, this will leave a vacany in the inner-shell orbital of the metal ion.

The electron from an orbital of higher energy jumps into the vacant inner-shell orbital by emmiting a photon of wavelength corresponding to difference in energy.

The wavelength of x-ray photon thus, emitted will have information about the metal ion (mosley's law).

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