Acidic chelant酸性螯合剂

uranium chelant铀螯合剂

polymeric chelant高分子螯合剂

backbone type polymeric chelant主链型高分子螯合剂

thiourea polymeric chelant硫脲类高分子螯合剂

pyrrole rings polymeric chelant吡略环类高分子螯合剂

metal ion chelant金属离子螯合剂

nitrogen heterocyclics polymeric chelant氮杂环类高分子螯合剂

natural polymeric chelant天然高分子螯合剂