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Zinc Ferrite Industrial Grade 99.9%

Zinc ferrite is aeneous powder, which is a kind of soft magnetic materials, but also representative oxidative dehydrogenation catalyst for alkene organic compounds.

Zinc Ferrite

CAS No.: 12063-19-3 EINECS No.: 235-052-5 Molecular Formula:ZnFe2O4 Molecular Weight: 241.08
Purity Size Morphology SSA Ca Co Mn Na Si
99.9% 40nm Spherical 50 <0.032% <0.002% <0.14% <0.20% <0.004%


Ammonium Metavanadate Purified 99.9%

ammonium metavanadate ammonium vanadate ammonium vanadium oxide H4NO3V 99.5% 

vanadium salt chemical reagent 

catalyst, drier, mordant 

glaze, producing vanadium pentoxide

instrumentral analysis, spectral analysis

Boric acid (Russian Origin) 99.9%

No.    Parameters    U.M.    Guaranteed value
1    Appearance        Free flowing white crystals
2    Main substance (H3BO3) content, min    %    99,9
3    Boric anhydride (B2O3), min    %    56,25
4    Sulphates, as SO42-, max    %    0,008
5    Chlorides, as Cl-, max    %    0,001
6    Iron (Fe), max    %    0,0005
7    Calcium (Ca), max    %    0,005
8    Total heavy metals as Pb content, max:    %    0,001
9    Arsenic (As), max    %    0,0002
10    Phosphates, as PO43-, max    %    0,001
11    Insolubles in water, max    %    0,005

Residue on sieve:        Residue on sieve:    
0,075 mm or 200 mesh, min    90 %    0,400 mm  or  40 mesh, max    10 %
        0,063 mm  or  230 mesh, min    70 %
        Residue under sieve:    
        0,063 mm  or  230 mesh, max    30 %

Sulfur Pellet Industrial Grade 99.9%

Sulfur pellet is light yellow crystalline element, which have special smell. The size is customizable. It is insoluble in water. It is faintly soluble in ethyl alcohol and diethyl ether, but tend to dissolve in carbon sulfide, benzene and methylbenzene.

Sulfur Pellet

Purity: 99.99% Diameter: 18~25mm Thickness: 3~5mm

Purity: 99.999%, 99.9999%

CAS No.: 7704-34-9 EINECS No.: 231-722-6 Molecular Formula: S Molecular Weight: 32.7
Melting Point: 112.8℃ Boiling Point: 444.6℃ Density: 1.92~2.07 UN 1350 4.1/PG 3


Sulfur can apply to prepare sulfuric acid, liquid sulfur dioxide, sodium sulfide, carbon disulfide, thionyl chloride and chromium oxide green. In dye industry, it is for manufacturing sulfur dyestuff. It also gets applications in pesticide and firecracker.

Sulfur pellet has uses in metallurgy, mineral separation, hard alloy, medicine, rubber, chemical fiber and food industry.

Terbium Oxide Industrial Grade 99.9%

Terbium oxide include terbium(III) oxide and terbium(III,IV) oxide. Terbium(III) oxide is dark brown powder, however terbium(III, IV) oxide is sepia powder. Common oxide of terbium is terbium(III, IV) oxide. Tb2O3 is insoluble in water, however soluble in mineral acid. Tb4O7 is easily soluble in acid, however not soluble in water.

CAS No.:12036-41-8EINECS No.:234-849-5Molecular Formula:Tb2O3Molecular Weight:365.85Melting Point:2200   CAS No.:12037-01-3EINECS No.:234-856-3Molecular Formula:Tb4O7Molecular Weight:747.69Melting Point:2337℃Density:8.33  


Terbium(III, IV) oxide is additive for yttrium iron garnet and yttrium aluminium garnet. It is raw material for production of terbium metal. It also acts as activator of fluorescent powder, which is fluorophor of X-ray intensifying screen. Tb4O7 is additive for magnetic material and fluorescent powder too.

Aluminum Oxide Industrial Grade 99.9%

Aluminum oxide nano powder is white fine particles. It is insoluble in water, alcohol and ether.

Aluminum Oxide Nano Powder

CAS No.:1344-28-1 EINECS No.:215-691-6 Molecular Formula:Al2O3 Molecular Weight:101.96
Melting Point:2045℃ Boiling Point:2980℃ Density:3.9  


Aluminum(III) oxide is a kind of catalyst and carrier of catalyst, which is main catalyst and carrier in petroleum refining and petrochemical engineering. It is also humectant for air and other gases and acid removal agent for transformer oil and turbine oil.

Aluminum trioxide is an filling material and sealing material too. It is filling material for chemical fiber, the rubbing agent in rubbing face agent in cosmetics and rubbing agent in toothpaste.

Erbium Nitride Industrial Grade 99.9%

Erbium nitride is crystalline powder, which is a rare earth metal nitride.  It is notable for its magnetic and optical properties. Erbium metal is the raw material. After subliming,  it forms ErN crystals.   The ErN compound deviated from stoichiometry: the Er:N atomic ratio ranged from 1:1.15 to 1:1.2 according to EDX and XPS elemental analysis.

Erbium Nitride

Purity: Er/RE 99.9% 3N

Particle size: -100mesh, -200mesh

CAS No.:12020-21-2 Molecular Formula:ErN Molecular Weight:181.267 Density:10.6


Europium Oxide Industrial Grade 99.9%

Europium oxide is white powder, which is a kind of rare earth oxides. it is of NaCl type structure and stable in dry or moisture air. It is insolube in water and alkali solution. However dissolve in inorganic acid( except HF and H3PO4), which form corresponding salts. Europia absorb CO2 and moist in air and form subcarbonate salt.

Europium Oxide 

CAS No.:1308-96-9 EINECS No.:215-165-6 Molecular Formula:Eu2O3 Molecular Formula:351.93
Melting Point:2350℃ Boiling Point:3790℃ Density:7.42 Eu2O3/REO:99.9%


Europium(III) oxide is raw material for fluorescent powder. It is for color cathode ray tube, colour TV kinescope, computer display, three band fluorescent lamp and new long-lasting displayer. It is also raw material for stimulated luminescent powder of new X-ray medical diagnositc system.

Europia apply to make colored lens, opitcal filter, magnetic bubble storage device. It is also important for  control materials, shielding material and structural material in atomic reactor.

Europium trioxide is mainly for fluorescent powder of  colored TV, terminal display, X-ray intensifying screen and fluorescent lamp. It is also pigment for glasses. It can make glass reddish orange and radiation protective glass. Europia is additive for silica fiber.

Europium trioxide is activating agent for many phosphors, as Eu3+ for colorimetric tube Y2O3 or Y2O2S, high pressure mercury lamp YVO4.

Europia apply as neutron absorber in nuclear industry.

Samarium Oxide Industrial Grade 99.9%

Samarium oxide is white with faint yellow powder, which is rare earth oxide. It is insoluble in water, but soluble in acid. Sm2O3 is stable at room temperature and pressure, which absorb CO2 and moist in air.

Samarium Oxide

CAS No.:12060-58-1 EINECS No.:235-043-6 Molecular Formula:Sm2O3 Molecular Weight:348.72
Density:8.347 Melting Point:2269℃ Boiling Point:3790℃ Refractive Index:1.97


Samarium(III) oxide is mainly for production of samarium metal, Co-Sm series permanent magnet material, electronic parts and ceramic capacitor. It is also additive for glass that absorbing infrared ray and coating of photosensitive material.

In chemical industry, samarium trioxide is also a kind of catalyst.

Tantalum Metal Industrial Grade 99.9%

Tantalum metal is silvery gray metal of body centered cubic structure, which is extremely hard and ductile. It mainly exist in tantalite with niboium.  It is available in powders, sheets, wires, ingots, granules, foils and sputtering targets. Ta resist corrosion from strong acid, especially to sulfuric acid.

Tantalum Metal

CAS No.: 7440-25-7 EINECS No.: 231-135-5 Molecular Formula: Ta Molecular Weight: 180.948
Melting Point: 3000℃ Boiling Point: 5429℃ Density: 16.6  


Tantalum metal can replace stainless steel in equipment that making various inorganic acids, which have tens times life longer than stainless steel. It can replace noble metal platinum in industries as chemical engineering, electronic and electric.

Tantalum powder process into electrolytic condenser. It forms stable anode oxide film in acid electrolyte. It is also raw material for making transmitting tubes and electric tube parts.

Tantalum can easily process into other shapes, so it act as supplied accessories, heat shield, heater and cooling fin in high temperature vacuum furnace.

Tantalum is raw material for alloys as Ta-W, Ta-W-Hf, Ta-Hf.

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