化學(xué)式 Formula:La(NO₃)₃·6H₂O

CAS:10294-41-4

分子量 Nol.wt.432.12

 硝酸鈰Cerium Nitrate 

規(guī)  格 Specification

稀土氧化物總量 TREO%

≥37.5

≥39.5

≥39.5

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 %

≤0.02

≤0.01

≤0.002

Nd₂O₃/TREO %

≤0.02

≤0.01

≤0.001

Sm₂O₃/TREO %

≤0.005

≤0.005

≤0.001

Y₂O₃/TREO %

≤0.005

≤0.005

≤0.001

Fe₂O₃ %

≤0.005

≤0.002

≤0.001

SiO₂ %

≤0.01

≤0.005

≤0.003

CaO %

≤0.01

≤0.005

≤0.002

PbO %

≤0.002

≤0.002

≤0.001

Cl^-  %

≤0.005

≤0.005

≤0.002

SO 2 4^- %

≤0.005

≤0.003

≤0.003

說明：無色粒狀晶體，易溶于水。

用途：用于石油化催化劑和汽燈紗罩的添加劑。

Description: Colorless granular crystal, soluble in water

Uses: Used as petrol-chem catalyst. Also used as additive for gauze covering of steam light.