氧化镝

氧化镝用途

【用途一】
为钇铁和钇铝柘榴石的添加元素，可作为核反应堆的控制材料。用于制造具有亮度高、光色好的新型光源镝灯。由于具有阴极发射能力，还可用作阳极涂层。供作金属镝的原料，玻璃，钕铁硼永磁体添加剂，磁光记忆材料。
【用途二】
用作制取金属镝的原料、玻璃、钕铁硼永磁体的添加剂，还用于金属卤素灯、磁光记忆材料、钇铁或钇铝石榴石、原子能工业中。
【用途三】
用作制取金属镝的原料，玻璃，钕铁硼永磁体添加剂，也可用于金属卤素灯，磁光记忆材料，钇铁或钇铝石榴石和原子能工业等方面。

氧化镝名称

[ CAS 号 ]:
1308-87-8

[ 中文名 ]:
氧化镝/纳米氧化镝

[ 英文名 ]:
Dysprosium oxide

[中文别名 ]:

[英文别名 ]:

MFCD00010986
Dysprosium Oxide
EINECS 215-164-0
oxo(oxodysprosiooxy)dysprosium
Dysprosium(III) oxide

氧化镝物理化学性质

[ 密度 ]:
7.81

[ 熔点 ]:
2330-2350ºC

[ 分子式 ]:
Dy₂O₃

[ 分子量 ]:
372.998

[ 精确质量 ]:
375.843140

[ PSA ]:
43.37000

[ 外观性状 ]:
灰白色粉末

[ 储存条件 ]:
室温

[ 水溶解性 ]:
insoluble

氧化镝MSDS

详细MSDS(安全技术说明书)

氧化镝毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: JW1060000

CHEMICAL NAME :: Dysprosium oxide

CAS REGISTRY NUMBER :: 1308-87-8

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: Dy2-O3

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >5 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology, Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1- 1990- Volume(issue)/page/year: 12,618,1993

氧化镝安全信息

[ 个人防护装备 ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ 危害码 (欧洲) ]:
Xn

[ 安全声明 (欧洲) ]:
S24/25

[ 危险品运输编码 ]:
NONH for all modes of transport

[ WGK德国 ]:
2

[ RTECS号 ]:
JW1060000

[ 海关编码 ]:
2846901500

氧化镝制备

1.灼烧法将硝酸镝溶液，经氢氧化钠反应生成氢氧化镝，再经分离、灼烧得氧化镝。其
2Dy(OH)3→Dy2O3+3H2O

2.溶剂萃取法。在2-乙基己基膦酸单2-乙基己基酯(P507)-煤油-RECl3-HCl体系中提镝工艺流程如图所示。原料为氯化稀土分组后的中稀土，其组成(%)为Eu＜0.3,Gd 8.8,Tb 3.0,Dy约5.0,Ho 2.3,Er 14.3,Y约10,Tm 1.5,Yb 6.73,Lu 1.37,配制成1mol/L RECl3,pH 2.0的料液。

图萃取法制备氧化镝的工艺流程

氧化镝海关

[ 海关编码 ]: 2846901500

氧化镝文献

Tuning of the size of Dy2O3 nanoparticles for optimal performance as an MRI contrast agent.

J. Am. Chem. Soc. 130(15) , 5335-40, (2008)

The transverse 1H relaxivities of aqueous colloidal solutions of dextran coated Dy2O3 nanoparticles of different sizes were investigated at magnetic field strengths (B) between 7 and 17.6 T. The parti...

Development and testing of passive tracking markers for different field strengths and tracking speeds.

Phys. Med. Biol. 51(6) , N127-37, (2006)

Susceptibility markers for passive tracking need to be small in order to maintain the shape and mechanical properties of the endovascular device. Nevertheless, they also must have a high magnetic mome...

Sonochemical synthesis of Dy2(CO3)3nanoparticles, Dy(OH)3nanotubes and their conversion to Dy2O3nanoparticles

Ultrason. Sonochem. 17(5) , 870-7, (2010)

Dysprosium carbonates nanoparticles were synthesized by the reaction of dysprosium acetate and NaHCO 3 by a sonochemical method. Dysprosium oxide nanoparticles with average size about 17 nm were prepa...

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氧化镝