Rare Earth Oxides - Precursor PPPC

Precursor (Yiyang) Plasma Powders Co., Ltd. (PPPC)
Rare Earth Products

Rare Earth Oxides
Product	PPPC No.	Purity (wt.%)	RE Impurities (ppm, max.)	Non-RE Impurities (ppm, max.)	Description & Application
Lanthanum Oxide La₂O₃	PR32111	Purity:99.5, TREO:90.0+	CeO₂:1000, Pr₆O₁₁:100, Nd₂O₃:1000, Sm₂O₃:100, Y₂O₃:50	Fe₂O₃:80, SiO₂:50, CaO:1000, Cl^-:3000	White powder, insoluble in water, soluble in mineral acids, very hygroscopic, will readily absorb moisture and CO₂ from the atmosphere. Mainly used in making optical glasses and fibre. Also used in ceramic, electronic industries and catalysis, etc.
Lanthanum Oxide La₂O₃	PR32112	Purity:99.9, TREO:94.0+	CeO₂:500, Pr₆O₁₁:200, Nd₂O₃:100, Sm₂O₃:100, Y₂O₃:50	Fe₂O₃:80, SiO₂:50, CaO:400, Cl^-:1600	White powder, insoluble in water, soluble in mineral acids, very hygroscopic, will readily absorb moisture and CO₂ from the atmosphere. Mainly used in making optical glasses and fibre. Also used in ceramic, electronic industries and catalysis, etc.
Cerium Oxide CeO₂	PR31122	Purity:99.99, TREO:99.0+	La₂O₃:20, Pr₆O₁₁:50, Nd₂O₃:10, Sm₂O₃:10, Y₂O₃:5	Fe₂O₃:30, SiO₂:30, CaO:30	Light yellow powder, insoluble in water, moderately soluble in strong mineral acids, slightly hygroscopic, will absorb small amounts of moisture and CO₂ from the atmosphere. Widely used as glass polishing compound. Precipitating and decoloring agents are also used in ceramic, electronic and catalysis industries.
Cerium Oxide CeO₂	PR31123	Purity:99.99, TREO:99.0+	La₂O₃:20, Pr₆O₁₁:50, Nd₂O₃:10, Sm₂O₃:10, Y₂O₃:5	Fe₂O₃:30, SiO₂:20, CaO:50	Light yellow powder, insoluble in water, moderately soluble in strong mineral acids, slightly hygroscopic, will absorb small amounts of moisture and CO₂ from the atmosphere. Widely used as glass polishing compound. Precipitating and decoloring agents are also used in ceramic, electronic and catalysis industries.
Cerium Oxide CeO₂	PR31124	Purity:99.99, TREO:99.0+	La₂O₃:200, Pr₆O₁₁:500, Nd₂O₃:100, Sm₂O₃:50, Y₂O₃:50	Fe₂O₃:50, SiO₂:20, CaO:50	Light yellow powder, insoluble in water, moderately soluble in strong mineral acids, slightly hygroscopic, will absorb small amounts of moisture and CO₂ from the atmosphere. Widely used as glass polishing compound. Precipitating and decoloring agents are also used in ceramic, electronic and catalysis industries.
Neodymium Oxide Nd₂O₃	PR32222	Purity:99.0, TREO:98.0+	La₂O₃:150, CeO₂:300, Pr₆O₁₁:6000, Sm₂O₃:300, Y₂O₃:50	Fe₂O₃:500, SiO₂:50, CaO:200, Cl^-:1200	Pale violet powder, insoluble in water, soluble in mineral acids, hydroscopic. Used as colorants for color TV glass face plates and glassware. It is also used for making magnets.
Neodymium Oxide Nd₂O₃	PR32223	Purity:99.5, TREO:98.0+	La₂O₃:150, CeO₂:300, Pr₆O₁₁:3000, Sm₂O₃:300, Y₂O₃:50	Fe₂O₃:500, SiO₂:50, CaO:200, Cl^-:1200	Pale violet powder, insoluble in water, soluble in mineral acids, hydroscopic. Used as colorants for color TV glass face plates and glassware. It is also used for making magnets.
Samarium Oxide Sm₂O₃	PR32232	Purity:99.0, TREO:99.0+	La₂O₃:300, CeO₂:2000, Pr₆O₁₁:1000, Nd₂O₃:3000, Eu₂O₃:100, Gd₂O₃:1500, Y₂O₃:300	Fe₂O₃:60, SiO₂:50, CaO:150, Cl^-:200	Pale yellow powder, insoluble in water and soluble in mineral acids, hygroscopic, will readily absorb moisture and CO₂ from the atmosphere. Used for making metallic samarium, permanently magnetic materials and electronic devices.
Praseodymium Oxide Pr₆O₁₁	PR31212	Purity:95.0, TREO:98.0+	La₂O₃:3000, CeO₂:2000, Nd₂O₃:<50000, Sm₂O₃:300, Y₂O₃:50	Fe₂O₃:200, SiO₂:100, CaO:300, Cl^-:1200	Dark brown powder, insoluble in water and soluble in mineral acids, hygroscopic, absorbs some moisture and CO₂ from the atmosphere. Used as an additive for preparing ceramic yellow glazes and raw materials for making RE permanent magnetic alloys.
Praseodymium Oxide Pr₆O₁₁	PR31213	Purity:99.0, TREO:98.0+	La₂O₃:500, CeO₂:500, Nd₂O₃:<10000, Sm₂O₃:300, Y₂O₃:50	Fe₂O₃:200, SiO₂:100, CaO:300, Cl^-:1200	Dark brown powder, insoluble in water and soluble in mineral acids, hygroscopic, absorbs some moisture and CO₂ from the atmosphere. Used as an additive for preparing ceramic yellow glazes and raw materials for making RE permanent magnetic alloys.
Gadolinium Oxide Gd₂O₃	PR32313	Purity:99.9, TREO:96.0+	Sm₂O₃:100, Eu₂O₃:500, Tb₄O₇:100, Dy₂O₃:100, Y₂O₃:100	Fe₂O₃:150, SiO₂:100, CaO:300, Cl^-:5000	White powder, insoluble in water, but soluble in mineral acids, moderately hygroscopic, absorbs some moisture and CO₂ from the atmosphere. Used for phosphor material, singlecrystal material, optical glasses, bubble domain and the electronic industry.
Dysprosium Oxide Dy₂O₃	PR32332	Purity:99.0, TREO:99.0+	Gd₂O₃:1000, Tb₄O₇:1000, Ho₂O₃:1000, Er₂O₃:500, Y₂O₃:2000	Fe₂O₃:150, SiO₂:100, CaO:300, Cl^-:2000	Light pink white powder, insoluble in water, soluble in mineral acids, hygroscopic, will readily absorb moisture and CO₂ from the atmosphere. Used for preparing dysprosium metal glasses, Nd-Fe-B permanent magnet additives , metal halogen lamp, magnetic memory, Y-Fe or Y-Al garnet, and in the nuclear energy industries.
Eu₂O₃-Gd₂O₃ Concentrate	PR32812	TREO:99.0+	Er₂O₃:>60.0%	Fe₂O₃:100, SiO₂:100, CaO:200	Pinkish white powder, insoluble in water and soluble in mineral acids, moderately hygroscopic, absorbs some moisture and CO₂ from the atmosphere. Used as raw material in producing pure Eu and Gd compounds.
Tb₄O₇-Dy₂O₃ Concentrate	PR32822	TREO:98.0+	Tb₄O₇:>60.0%	Fe₂O₃:300, SiO₂:100, CaO:500, Cl^-:2000	Brown powder, insoluble in water and soluble in mineral acids, hygroscopic, will absorb moisture and CO₂ from the atmosphere. Used as raw material in producing pure Tb and Dy compounds.
Y₂O₃-Rich Concentrate	PR32831	TREO:92.0+	Y₂O₃:>75.0%	Fe₂O₃:2000, SiO₂:200, CaO:600, Cl^-:5000, Al₂O₃:500	White powder, insoluble in water and soluble in acids. Used as raw material in producing pure Y and the other contained RE compounds.

Rare Earth Oxides

Product

PPPC
No.

Purity
(wt.%)

RE Impurities
(ppm, max.)

Non-RE Impurities
(ppm, max.)

Description & Application

Lanthanum Oxide
La₂O₃

PR32111

Purity:99.5, TREO:90.0+

CeO₂:1000, Pr₆O₁₁:100, Nd₂O₃:1000, Sm₂O₃:100, Y₂O₃:50

Fe₂O₃:80, SiO₂:50, CaO:1000, Cl^-:3000

White powder, insoluble in water, soluble in mineral acids, very hygroscopic, will readily absorb moisture and CO₂ from the atmosphere. Mainly used in making optical glasses and fibre. Also used in ceramic, electronic industries and catalysis, etc.

Lanthanum Oxide
La₂O₃

PR32112

Purity:99.9, TREO:94.0+

CeO₂:500, Pr₆O₁₁:200, Nd₂O₃:100, Sm₂O₃:100, Y₂O₃:50

Fe₂O₃:80, SiO₂:50, CaO:400, Cl^-:1600

Cerium Oxide
CeO₂

PR31122

Purity:99.99, TREO:99.0+

La₂O₃:20, Pr₆O₁₁:50, Nd₂O₃:10, Sm₂O₃:10, Y₂O₃:5

Fe₂O₃:30, SiO₂:30, CaO:30

Light yellow powder, insoluble in water, moderately soluble in strong mineral acids, slightly hygroscopic, will absorb small amounts of moisture and CO₂ from the atmosphere. Widely used as glass polishing compound. Precipitating and decoloring agents are also used in ceramic, electronic and catalysis industries.

Cerium Oxide
CeO₂

PR31123

Purity:99.99, TREO:99.0+

La₂O₃:20, Pr₆O₁₁:50, Nd₂O₃:10, Sm₂O₃:10, Y₂O₃:5

Fe₂O₃:30, SiO₂:20, CaO:50

Cerium Oxide
CeO₂

PR31124

Purity:99.99, TREO:99.0+

La₂O₃:200, Pr₆O₁₁:500, Nd₂O₃:100, Sm₂O₃:50, Y₂O₃:50

Fe₂O₃:50, SiO₂:20, CaO:50

Neodymium Oxide
Nd₂O₃

PR32222

Purity:99.0, TREO:98.0+

La₂O₃:150, CeO₂:300, Pr₆O₁₁:6000, Sm₂O₃:300, Y₂O₃:50

Fe₂O₃:500, SiO₂:50, CaO:200, Cl^-:1200

Pale violet powder, insoluble in water, soluble in mineral acids, hydroscopic. Used as colorants for color TV glass face plates and glassware. It is also used for making magnets.

Neodymium Oxide
Nd₂O₃

PR32223

Purity:99.5, TREO:98.0+

La₂O₃:150, CeO₂:300, Pr₆O₁₁:3000, Sm₂O₃:300, Y₂O₃:50

Fe₂O₃:500, SiO₂:50, CaO:200, Cl^-:1200

Pale violet powder, insoluble in water, soluble in mineral acids, hydroscopic. Used as colorants for color TV glass face plates and glassware. It is also used for making magnets.

Samarium Oxide
Sm₂O₃

PR32232

Purity:99.0, TREO:99.0+

La₂O₃:300, CeO₂:2000, Pr₆O₁₁:1000, Nd₂O₃:3000, Eu₂O₃:100, Gd₂O₃:1500, Y₂O₃:300

Fe₂O₃:60, SiO₂:50, CaO:150, Cl^-:200

Pale yellow powder, insoluble in water and soluble in mineral acids, hygroscopic, will readily absorb moisture and CO₂ from the atmosphere. Used for making metallic samarium, permanently magnetic materials and electronic devices.

Praseodymium Oxide
Pr₆O₁₁

PR31212

Purity:95.0, TREO:98.0+

La₂O₃:3000, CeO₂:2000, Nd₂O₃:<50000, Sm₂O₃:300, Y₂O₃:50

Fe₂O₃:200, SiO₂:100, CaO:300, Cl^-:1200

Dark brown powder, insoluble in water and soluble in mineral acids, hygroscopic, absorbs some moisture and CO₂ from the atmosphere. Used as an additive for preparing ceramic yellow glazes and raw materials for making RE permanent magnetic alloys.

Praseodymium Oxide
Pr₆O₁₁

PR31213

Purity:99.0, TREO:98.0+

La₂O₃:500, CeO₂:500, Nd₂O₃:<10000, Sm₂O₃:300, Y₂O₃:50

Fe₂O₃:200, SiO₂:100, CaO:300, Cl^-:1200

Gadolinium Oxide
Gd₂O₃

PR32313

Purity:99.9, TREO:96.0+

Sm₂O₃:100, Eu₂O₃:500, Tb₄O₇:100, Dy₂O₃:100, Y₂O₃:100

Fe₂O₃:150, SiO₂:100, CaO:300, Cl^-:5000

White powder, insoluble in water, but soluble in mineral acids, moderately hygroscopic, absorbs some moisture and CO₂ from the atmosphere. Used for phosphor material, singlecrystal material, optical glasses, bubble domain and the electronic industry.

Dysprosium Oxide
Dy₂O₃

PR32332

Purity:99.0, TREO:99.0+

Gd₂O₃:1000, Tb₄O₇:1000, Ho₂O₃:1000, Er₂O₃:500, Y₂O₃:2000

Fe₂O₃:150, SiO₂:100, CaO:300, Cl^-:2000

Light pink white powder, insoluble in water, soluble in mineral acids, hygroscopic, will readily absorb moisture and CO₂ from the atmosphere. Used for preparing dysprosium metal glasses, Nd-Fe-B permanent magnet additives , metal halogen lamp, magnetic memory, Y-Fe or Y-Al garnet, and in the nuclear energy industries.

Eu₂O₃-Gd₂O₃ Concentrate

PR32812

TREO:99.0+

Er₂O₃:>60.0%

Fe₂O₃:100, SiO₂:100, CaO:200

Pinkish white powder, insoluble in water and soluble in mineral acids, moderately hygroscopic, absorbs some moisture and CO₂ from the atmosphere. Used as raw material in producing pure Eu and Gd compounds.

Tb₄O₇-Dy₂O₃
Concentrate

PR32822

TREO:98.0+

Tb₄O₇:>60.0%

Fe₂O₃:300, SiO₂:100, CaO:500, Cl^-:2000

Brown powder, insoluble in water and soluble in mineral acids, hygroscopic, will absorb moisture and CO₂ from the atmosphere. Used as raw material in producing pure Tb and Dy compounds.

Y₂O₃-Rich
Concentrate

PR32831

TREO:92.0+

Y₂O₃:>75.0%

Fe₂O₃:2000, SiO₂:200, CaO:600, Cl^-:5000, Al₂O₃:500

White powder, insoluble in water and soluble in acids. Used as raw material in producing pure Y and the other contained RE compounds.

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