借助红外光谱测定法、吸附等温线测定和微量浮选试验等手段 ,研究了玉米淀粉、它的多糖组分 (直链淀粉和支链淀粉 )、单体葡萄糖和二分子聚合物麦芽糖对赤铁矿和石英的抑制作用。试验过的所有碳水化合物 ,包括葡萄糖和麦芽糖 ,都能有效地使赤铁矿保持亲水状态 ,而对于石英只是起絮凝作用 (主要由于支链淀粉引起的 ) ,使在用胺类捕收时才适度地降低它的可浮性。傅里叶变换红外光谱研究证实 ,这些碳水化合物被强烈地吸附在赤铁矿表面上 ,并且吸附的聚合物与单体的光谱是很相似的 ,虽然非吸附单体的光谱是明显不同的。通常所说的吸附机理是一种涉及铁离子的表面反应 The effects of corn starch, its polysaccharide components (amylose and amylopectin), monomeric glucose and two-component polymer maltose on hematite Mine and quartz inhibition. All of the carbohydrates tested, including glucose and maltose, were effective at keeping the hematite hydrophilic and flocculating only to quartz (mainly due to amylopectin) so that when collecting with amines Only moderately reduce its floatability. Fourier transform infrared spectroscopy confirmed that these carbohydrates are strongly adsorbed on the hematite surface and that the adsorbed polymer is very similar to the monomer spectrum although the spectra of the nonadsorbed monomers are significantly different. The so-called adsorption mechanism is a surface reaction involving iron ions