化學(xué)式 Formula: Ce₂(CO₃)₃

CAS:537-01-9

分子量 Nol.wt.460.24

碳酸鈰Cerium Carbonate

規(guī)  格 Specification

稀土氧化物總量 TREO%

≥50

≥50

≥50

鈰純度與相關(guān)稀土雜質(zhì)（Cerium purity and relative rare earth impurities）

CeO₂/TREO %

≥99.9

≥99.95

≥99.99

La₂O₃/TREO %

≤0.05

≤0.02

≤0.004

Pr₆O₁₁/TREO %

≤0.01

≤0.01

≤0.002

Nd₂O₃/TREO %

≤0.01

≤0.01

≤0.001

Sm₂O₃/TREO %

≤0.01

≤0.005

≤0.001

Y₂O₃/TREO %

≤0.01

≤0.005

≤0.001

Fe₂O₃ %

≤0.005

≤0.002

≤0.0015

SiO₂ %

≤0.02

≤0.01

≤0.005

CaO %

≤0.02

≤0.01

≤0.02

MnO₂ %

≤0.001

≤0.001

≤0.001

Na₂O %

≤0.005

≤0.005

≤0.002

PbO %

≤0.005

≤0.003

≤0.002

Cl^-    %

≤0.05

≤0.05

≤0.03

SO 2 4^- %

≤0.03

≤0.03

≤0.03

說明：白色粉末不溶于水，溶于酸。

用途：用于制造汽車尾氣凈化催化劑，也是制取鈰和其他化合物的中間體。

Description: White powder, insoluble in water, soluble in acids.

Uses: Used in making Catalyst for cleaning automotive exhaust gas and also can be made into cerium metal, cerium oxide and other compounds of cerium.