Group electronegativity theory ; glycerol sodium xanthogenate ; suppression ; arsenopyrite .
基团电负性理论；丙三醇黄原酸钠；抑制；毒砂。
Mineralizations include mainly pyritization as well as some other sulfides such as chalcopyrite , sphalerite and arsenopyrite , assuming veinlike , banded and disseminated forms .
