Charge-transfer salt (dbtf),HGeW12O40. 4H2O(C84H57O44S24GeW12)was synthesized by electrocrystallization and characterized by IR and electronic spectra.Its magnetic and conducting properties and crystal structure were ...Charge-transfer salt (dbtf),HGeW12O40. 4H2O(C84H57O44S24GeW12)was synthesized by electrocrystallization and characterized by IR and electronic spectra.Its magnetic and conducting properties and crystal structure were determined. The titlesalt crystallized in triclinic system with P1 space group. Its cell parameters are reflexions展开更多
以生物废弃核桃壳作为原料,添加具备强吸附能力、高比表面积、高化学稳定性等优点的氧化石墨烯(GO),利用共沉淀法制备新型磁性氧化石墨烯生物炭(Fe_(3)O_(4)-GO-WSC)复合材料。通过FTIR、XRD、SEM、BET、UV-Vis等表征手段对复合材料的...以生物废弃核桃壳作为原料,添加具备强吸附能力、高比表面积、高化学稳定性等优点的氧化石墨烯(GO),利用共沉淀法制备新型磁性氧化石墨烯生物炭(Fe_(3)O_(4)-GO-WSC)复合材料。通过FTIR、XRD、SEM、BET、UV-Vis等表征手段对复合材料的组成、表面性质及磁性强度进行系统表征,并探究不同条件下复合材料对水体有机污染物亚甲基蓝(MB)的吸附效果。结果表明,将0.02 g Fe_(3)O_(4)-GO-WSC磁性复合材料加入10 mg/L MB溶液,吸附率为90.2%。经5次磁性分离,对MB吸附率为54.7%。复合材料对MB的吸附行为,与准二级动力学模型和Langmuir吸附等温模型有较好相关性,说明该吸附过程偏向于化学吸附,是单分子层吸附。展开更多
文摘Charge-transfer salt (dbtf),HGeW12O40. 4H2O(C84H57O44S24GeW12)was synthesized by electrocrystallization and characterized by IR and electronic spectra.Its magnetic and conducting properties and crystal structure were determined. The titlesalt crystallized in triclinic system with P1 space group. Its cell parameters are reflexions
文摘以生物废弃核桃壳作为原料,添加具备强吸附能力、高比表面积、高化学稳定性等优点的氧化石墨烯(GO),利用共沉淀法制备新型磁性氧化石墨烯生物炭(Fe_(3)O_(4)-GO-WSC)复合材料。通过FTIR、XRD、SEM、BET、UV-Vis等表征手段对复合材料的组成、表面性质及磁性强度进行系统表征,并探究不同条件下复合材料对水体有机污染物亚甲基蓝(MB)的吸附效果。结果表明,将0.02 g Fe_(3)O_(4)-GO-WSC磁性复合材料加入10 mg/L MB溶液,吸附率为90.2%。经5次磁性分离,对MB吸附率为54.7%。复合材料对MB的吸附行为,与准二级动力学模型和Langmuir吸附等温模型有较好相关性,说明该吸附过程偏向于化学吸附,是单分子层吸附。
