The synthesis and properties of the new foam AKA-9 to improve the flotation process of Kazakhstans polimettalic raw materials, which based on hydrocarbon products - Omarova, D.; Baizhumanova, R.; Abdikulova, A.; Tusupbaev, N.; Kalugin, S.; Abilov, J. (Chemical Bulletin of Kazakh National University, 2012)