A novel scheme for chemical speciation of potentially toxic metals and metalloids in aqueous environmental samples

April 1998

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Table of Contents

A novel scheme for chemical speciation of potentially toxic metals and metalloids in aqueous environmental samples  

Chemical Speciation 

Free Ion Activity Model (FIAM) 

Problems in Chemical Speciation 

Approach 

Chemical Speciation Scheme 

Rotating Disk Electrode / Anodic Stripping Voltammetry (RDE/ASV) 

Results 1 - RDE/ASV 

Results - RDE/ASV 

Results - RDE/ASV 

Competitive Ligand Exchange / Adsorptive Cathodic Stripping Voltammetry (CLE /AdCSV) 

Results - CLE/AdCSV 

Results - CLE / AdCSV 

Results CLE/AdCSV 

Competitive Ligand Exchange Method (CLEM) Using Chelex-100 

Results - CLEM with Chelex 

Results - CLEM with Chelex 

Results - CLEM with Chelex 

Acknowledgements

 Author: Michael T. Lam 

Email: chuni_chakrabarti@carleton.ca 

Home Page: http://www.carleton.ca/~cchak