the design daer trae and blyglas in harmonyANDERS APPELQVIST
seen to reprocess it in acid polishing of blyglas erhallna fluoro sludge with alkaline lead carbonatesA process is disclosed for the production of lead carbonate by treatment of fluorine-containing mud produced in the polishing of lead glass with etching acid comprisingPORCHAM W...
Glasriket in Sm氓land is an area with large amount of pollutants including arsenic, cadmium and lead. This area must be cleaned from these metals because of the high threat to the environment ant the health of people who live here. This work has bee...
seen to reprocess it in acid polishing of blyglas erhallna fluoro sludge with alkaline lead carbonatesW * PORCHAM