纳米六角片状镁铝水滑石晶体的共沉淀法制备
陈利花;梁小平
【期刊名称】《徐州工程学院学报（自然科学版）》 【年(卷),期】2012(027)002
【摘要】以共沉淀法制备镁铝水滑石，主要研究了原料物质的量浓度和反应温度等参数对纳米晶的影响．采用透射电镜（TEM）、X线衍射（XRD）仪等对纳米晶进行表征．结果表明采用共沉淀法可制备出纯相六角片状结构的纳米镁铝水滑石晶体．制备工艺条件为NaOH物质的量浓度大于0．625mol／L、反应温度90℃、Na2CO3物质的量浓度为0．09mol／L时镁铝水滑石产率可达到最大值95％．%The study is set on the preparation of magnesium aluminates water talc with co-precipitation method, focusing on the influence of raw material concentration and reaction temperature parameters on nanocrystalline. The methods of scanning electron microscope （TEM）, X-ray Diffract（XRD） meter and other methods were used to characterize Nanocrystalline. The results show that pure phase structure of the nana magnesium hex flake aluminum water talc crystals can be prepared with the use of co-precipitation. The best preparation conditions are： NaOH concentration over 0. 625 mol/L, reaction temperature 90 ℃ , Na2CO3 concentration of 0.09 mol/L. The yield of magnesium aluminates water talc will reach a maximumof 95%. 【总页数】4页(30-33)
【关键词】共沉淀法;镁铝水滑石;纳米晶;物质的量浓度;反应温度
纳米六角片状镁铝水滑石晶体的共沉淀法制备
