Neodymium Oxide (Nd2O3) Description

a) An oxide of a rare earth element. It is soluble in acid and insoluble in water.

b) Neodymium(III) oxide or neodymium sesquioxide is the chemical compound composed of neodymium and oxygen with the formula Nd2O3. It forms hygroscopic blue hexagonal crystals. The rare earth mixture didymium, previously believed to be an element, partially consists of neodymium(III) oxide.

 

Neodymium Oxide (Nd2O3) Typical Applications

a) Used in ceramic capacitors, color TV tubes, high temperature glazes, coloring glass, carbon-arc-light electrodes, and vacuum deposition.

b) Neodymium(III) oxide is used to dope glass, including sunglasses, make solid-state lasers, and to color glasses and enamels. Neodymium-doped glass turns purple due to the absorbance of yellow and green light, and is used in welding goggles. Some neodymium-doped glass is dichroic; that is, it changes color depending on the lighting. One kind of glass named for the mineral alexandrite appears blue in sunlight and red in artificial light.

c) Approx. 7,000 tonnes of neodymium(III) oxide are produced worldwide each year.

d) Neodymium(III) oxide is also used as a polymerization catalyst.

 

Index              Model	Nd2O3.3N	Nd2O3.4N	Nd2O3.5N	Nd2O3.6N
Nd2O3/TREO(%,min)	99.9	99.99	99.999	99.9999
TREO(%,min)	99.0	99.0	99.0	99.5
Appearance	Lilac powder	Lilac powder	Lilac powder	Lilac powder
RE Impurities/TREO	%(Max)	%(Max)	ppm(Max)	ppm(Max)
La2O3	0.01	0.005	3.0	0.2
CeO2	0.01	0.002	3.0	0.5
Pr6O11	0.05	0.005	5.0	3
Nd2O3	Main	Main	Main	Main
Sm2O3	0.03	0.0003	5.0	0.5
Eu2O3	0.01	0.0003	1.0	0.2
Gd2O3	0.01	0.0003	1.0	0.2
Tb4O7
Dy2O3
Ho2O3
Er2O3
Tm2O3
Yb2O3
Lu2O3
Y2O3	0.01	0.0003	1.0	0.2
Non-Re Impurities	%(Max)	%(Max)	ppm(Max)	ppm(Max)
Fe2O3	0.001	0.001	5.0	2.0
SiO2	0.005	0.005	30	9.0
CaO	0.005	0.005	50	5.0
CoO
NiO	0.001	0.0005	3.0	2.0
CuO	0.002	0.0002	1.0	2.0
MnO2
Cr2O3
CdO
PbO	0.001	0.0005	1.0	2.0
Al2O3
Na2O
K2O
MgO
TiO2
ThO2
L.O.I(%,Max)	1.0	1.0	1.0	1.0
Size(D50,um)
Memo	Can custom-made as per request.
Packing: 50KGs Iron Drum or 1000KGs Jumb Bag or packing as per request.
Storare: Storing in sealed, dry and cool condition, not exposing to air for long time, avoiding moisture.
Characteristics:	Lilac powder, easy to be damp, insoluble in water, soluble in acid.

 

ITEM SPECIFICATIONS TEST RESULTS Nd2O3/TREO(%,min) 99.9 99.9 TREO(%,min) 99.6 99.61 RE Impurities(%/TREO,Max) CeO2   <0.01 La2O3   <0.01 Pr6O11   0.0284 Sm2O3   <0.01 Eu2O3   <0.01 Gd2O3   <0.01 Tb4O7   <0.01 Dy2O3   <0.01 Ho2O3   <0.01 Er2O3   <0.01 Tm2O3   <0.01 Yb2O3   <0.01 Lu2O3   <0.01 Y2O3   <0.01  Non-Re Impurities(%,Max) Fe2O3   <0.001 CaO   0.0081 SiO2   0.0057 Cl-   <0.01   L.O.I   0.2% Particle size (D50 ,um)   3-5

 

Packing:	50KGs Iron Drum or 1000KGs Jumb Bag or packing as per request.
Storare:	Storing in sealed, dry and cool condition, not exposing to air for long time, avoiding moisture.
Characteristics:	Pink powder, slightly soluble in inorganic acid, insoluble in water.

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