沙漏形碳酸钡粒子的制备-河北工业科技-河北科技大学.PDF

28 1 河 北 工 业 科 技 Vol.28, No. 1 2011 1 H ebei Journal of Industrial Science and Technology Jan.2011 : 1008 1534( 2011) 01 0041 03 1 2 1 , , ( 1. 河北师范大学化学与材料科学学院, 河北石家庄 050016; 2. 河北省产品质量监督检验院, 河北 石家庄 050091) : 以氯化钡尿 氢氧化钠乙二胺四乙酸二钠( EDT A) 和淀粉为原料, 通过络合与均相沉 淀法成功合成了沙漏形晶体, 并应用X 射线衍射仪(XRD) 扫描电子显微镜( SEM) 和红外分析仪 ( IR) 对样品进行了检测和表征结果表明: 添加EDTA 和淀粉对碳酸钡晶形有着显著影响, 由此 得到沙漏形亚微米级碳酸钡晶体, 所得晶体纯度较高, 分散性好 :碳酸钡; 沙漏形; 乙二胺四乙酸二钠; 淀粉 :T Q132. 35 : A Synthesis of hourglass like BaCO3 1 2 1 BAI Guo ying , LIU Hong bin , LI Chun mei ( 1. College of Chemistry and Material Sciences, H ebei Normal U niversity, Shijiazhuang H ebei 050016, China; 2. Institute of Product Quality of H ebei Province Supervision and Inspect ion, Shijiazhuang H ebei 050091, China) Hourglass like BaCO was successfully synthesized by a simple complexing reaction and a homogeneous precipitation Abstract: 3 met hod by using barium chloride, urea, sodium hydroxide, starch and ethylenediaminetetraacetic acid disodium salt. The ob tained product w as analyzed by XRD, SEM and IR. This research reveals that ethylenediaminetetraacetic acid disodium salt and starch play im portant role in determining the final products morphology, and t he submicron part icles have fine dispersion prop erty and high purity . BaCO ; hourglass like; ethylenediaminetetraacet ic acid disodium salt; st arch Key words: 3 , , [ 1 3] , [ 4] [ 5 6] : , , , ,