Cerium carbonate (C2(CO3)3), lulú funfun ti ko ṣee ṣe ninu omi, tiotuka ninu acid. Cerium carbonate jẹ iyọ aye toje akọkọ kan ti a pese sile nipasẹ ilana ojoriro isediwon toje. O jẹ ohun elo aise pataki fun iṣelọpọ ti awọn iyọ cerium miiran ati ohun elo afẹfẹ cerium.
Nipa wiwa nigbagbogbo awọn abuda ti awọn ọja kaboneti cerium labẹ awọn ipo imọ-ẹrọ ti o yatọ, Ile-iṣẹ WONAIXI le ṣe aṣeyọri iṣelọpọ ti adani ti cerium carbonate ti o ga, gẹgẹbi: Iwọn Patiku nla Cerium Carbonate, Kloride Kekere Ati Low Ammonium Cerium Carbonate (Cl- <45ppm, NH4+) <400ppm), Carbonate Iwa-mimọ giga (aimọ irin aiye ti ko ṣọwọn jẹ kere ju 1ppm).