碳酸鑭為白色粉未，一般均含有一定的水合水分子。是斜方晶系，能和大多數(shù)酸反應(yīng)，在25℃水中溶解度2.38×10-7mol/L。在900℃時可熱分解為三氧化二鑭。在熱分解過程可產(chǎn)生堿式鹽La2O3·2CO2·2H2O。碳酸鑭可與堿金屬碳酸鹽生成可溶于水的碳酸復鹽La2（CO3）3·Na2SO4·nH2O。向可溶性的鑭鹽的稀溶液中加入略過量碳酸銨即可制得碳酸鑭沉淀。

99.9% metals basis:


外觀Appearance                          White Powder to Crystalline Powder
X-射線衍射X-Ray Diffraction             Conforms to Structure
純度Purity                              ≥99.9% Based on Trace Metals Impurities
ICP Major Analysis                      Confirms La Component
鑭La by Complexiometric EDTA            50% - 60%
總金屬雜質(zhì)total metallic impurities     ≤1000ppm by ICP Atomic emission


99.99% metals basis:


外觀Appearance                          White Powder to Crystalline Powder
X-射線衍射X-Ray Diffraction             Conforms to Structure
純度Purity                              ≥99.99% Based on Trace Metals Impurities
ICP Major Analysis                      Confirms La Component
鑭La by Complexiometric EDTA            50% - 60%
總金屬雜質(zhì)total metallic impurities     ≤200ppm by ICP Atomic emission

主要用作生產(chǎn)鑭的中間化合物，可作為氯化鑭、氧化鑭及其它鑭化合物的原料。