稀土复混肥中改性稀土添加剂的研制  

Development of Modified Rare Earth Additives for Rare Earth Containing Compound Fertilizers

作　　者：汪敬恒 王树立 

机构地区：[1]河南省化工研究所农化中心 [2]开封师范专科学校化学系

出　　处：《化肥工业》1999年第1期17-18,21,共3页Chemical Fertilizer Industry

摘　　要：介绍了常用农用稀土盐ＲＥ（ＮＯ３）３·６Ｈ２Ｏ、ＲＥＣｌ３·６Ｈ２Ｏ必须转变为螯合物或络合物才能制备含稀土复混肥料的原因、改性稀土添加剂的制备方法及合理施用稀土复肥的安全性。Reasons are given for common agricultural rare earth salts, RE(NO 3) 3·6H 2O and RECl 3·6H 2O, which must be converted into chelates or complexes before being usable for the preparation of rare earth containing compound fertilizers, and the preparation method of modified rare earth additives and safety in the rational application of rare earth containing compound fertilizers are presented.

关 键 词：复混肥料 稀土 改性 助剂 混合肥料 

分 类 号：TQ444[化学工程—化学肥料工业]