The developments of new ionization technologies based on processes previously unknown to mass spectrometry (MS) have gained significant momentum. Herein we address the importance of understanding these unique ionization processes, demonstrate the new capabilities currently unmet by other methods, and outline their considerable analytical potential.
The inlet and vacuum ionization...
To obtain a selective chelating resin for separation and preconcentration of Fe(III) ions in various water samples, amberlite XAD-4 was functionalized with 2,3-dihydroxy benzoic acid by coupling it through an –NN– spacer. The resulting resin, characterized by thermogravimetric analysis and infrared (IR) spectroscopy, was packed in a minicolumn to be used as a sorbent. It was shown that Fe 3+ ...
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