化學(xué)式 Formula:La₂(CO₃)₃

CAS:587-26-8

分子量 Nol.wt.457.8

規(guī)  格 Specification

稀土氧化物總量 TREO%

≥43

≥43

≥43

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

La₂O₃/TREO %

≥99.9

≥99.99

≥99.995

CeO₂/TREO %

≤0.08

≤0.005

≤0.002

Pr₆O₁₁/TREO %

≤0.01

≤0.001

≤0.001

Nd₂O₃/TREO %

≤0.01

≤0.001

≤0.001

Sm₂O₃/TREO %

≤0.001

≤0.001

≤0.001

Y₂O₃/TREO %

≤0.001

≤0.001

≤0.001

Fe₂O₃ %

≤0.005

≤0.003

≤0.002

CaO %

≤0.08

≤0.03

≤0.03

SiO₂  %

≤0.02

≤0.015

≤0.01

MnO₂ %

≤0.005

≤0.001

≤0.001

PbO  %

≤0.001

SO 2 4^- %

≤0.001

Cl^-    %

≤0.05

≤0.05

≤0.005

說(shuō)明：白色粉末，不溶于水，溶于酸。

用途：主要用作鑭的中間化合物，可作為氯化鑭，氧化鑭的原料。

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

Uses: Used as the medium compound of lanthanum and the raw material of LaCl₃, La₂O₃.