@inproceedings{inproceedings733b88f9, title = {Rapid determination of traces of sulphate in particulates in the atmosphere}, author = {Lichtig, Jaim and Silva, M R R M S and Massaro, Sergio}, year = {1987}, publisher = {Instituto de Quimica da Universidade Federal da Bahia}, booktitle = {International Environmental Chemistry Congress in Brazil} }