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化學(xué)式. Formula:LaF₃

CAS:13709-38-1

分子量 Nol.wt.195.9

氟化鑭 Lanthanum(III) fluoride

規(guī)  格 Specification

稀土氧化物總量 TREO%

≥82

≥82

≥82

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

La₂O₃/TREO %

≥99.9

≥99.95

≥99.99

CeO₂/TREO %

≤0.05

≤0.03

≤0.003

Pr₆O₁₁/TREO %

≤0.02

≤0.01

≤0.003

Nd₂O₃/TREO %

≤0.02

≤0.01

≤0.002

Sm₂O₃/TREO %

≤0.005

≤0.005

≤0.001

Y₂O₃/TREO %

≤0.005

≤0.005

≤0.001

Fe₂O₃ %

≤0.05

≤0.03

≤0.02

SiO₂  %

≤0.05

≤0.05

≤0.03

CaO  %

≤0.05

≤0.05

≤0.03

PbO  %

≤0.01

≤0.01

≤0.005

Al₂O₃ %

≤0.001

F^-  %

≥27

≥27

≥27

說(shuō)明：白色粉末，不溶于水，可溶于酸。極易吸潮，能迅速吸收空氣中的水份和二氧化碳，應(yīng)置于密封容器內(nèi)。

用途：用于制備現(xiàn)代醫(yī)學(xué)圖像顯示技術(shù)和核子科學(xué)要求的閃爍體，稀土晶體激光材料，氟化物玻璃光導(dǎo)纖維和稀土紅外玻璃。在照明光源 中用于制造弧光燈炭電極。在化學(xué)分析中用于制造氟離子選擇電極。在冶金工業(yè)中用于制造特種合金和電解生產(chǎn)金屬鑭。用作拉制氟化鑭單晶的材料。 

Description: white powder, insoluble in water, soluble in acid. Can easily absorb moisture, can quickly absorb moisture and carbon dioxide in the air, it should be kept in sealed containers.

Application: for the preparation of modern medical image display technology and nuclear science requirements of the scintillator crystal, laser materials of rare earth, rare earth fluoride glass optical fiber and infrared glass. Used in the manufacture of arc carbon electrodes in the light source for lighting. Manufacturing fluoride ion selective electro de used in chemical analysis. Used in the manufacture of special alloy and electrolytic production of metal Lanthanum in metallur gical industry. Used for drawing crystal of lanthanum fluoride-materials.