Previous Article Next Article Table of Contents Przemysl Chemiczny, Vol.92, No.1, 73-75, 2013 Export Citation The use of sodium sulfate in coal mines of Upper Silesia Pluta I, Szreter G, Solarz Z, Musiolik A Com. use of Na2SO4 for removing Ba and Ra ions from coal mine waters in Upper Silesia, Poland, was presented. Please enable JavaScript to view the comments powered by Disqus.