The complexes between Al(III) and hematein, the main coloring matter in alum logwood inks, were characterized by Raman and 27Al NMR (nuclear magnetic resonance) spectroscopies. Raman spectra of the crystallized complexes ...
Tomasini, Eugenia P.; Favier Dubois, Cristian M.; Little, Nicole C.; Centeno, Silvia A.; Maier, Marta S.(2015)
The skeletal remains of seven individuals were excavated in a secondary burial context in the site of Cima de los Huesos, in the San Matías Gulf (Río Negro, Argentina). AMS dating of two samples for this site to 1173±45 ...
