A Raman spectroscopic study of lead and zinc acetate complexes in hydrothermal solutions

Details A Raman spectroscopic study of lead and zinc acetate complexes in hydrothermal solutions A Raman spectroscopic study of lead and zinc acetate complexes in hydrothermal solutions

Feb 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989gecoa..53..319y&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 53, Issue 2, pp.319-326

Computer Science

4

Scientific paper

Principal Component Analysis (PCA) and bandfitting techniques were applied to Raman spectra of lead acetate and zinc acetate solutions measured at 25°C. These results reveal the presence of strong, covalent Zn(Ac) + , Zn(Ac) 2 , Zn(Ac) 3 - and Pb(Ac) + , Pb(Ac) 2 and possibly Pb(Ac) 3 - complexes in solution where (Ac) refers to the acetate ion, CH 3 COO - . Ligation numbers of the different complexes were obtained up to 250°C and species of low-to-neutral charge were found to predominate at the higher temperatures. The spectroscopic evidence shows that the type of complex formed is a function of pH, ligand-to-metal ratio and temperature.

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