Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Sawada Kayo and Kuchar Dalibor and Matsuda Hitoki and Mizutani Makoto,Heavy Metal Sulfuration with Sulfur and Sodium Hydroxide for Fly Ash Immobilization,JOURNAL OF CHEMICAL ENGINEERING OF JAPAN,00219592,"The Society of Chemical Engineers, Japan",2005,38,5,385-389,https://cir.nii.ac.jp/crid/1390001204569099392,https://doi.org/10.1252/jcej.38.385