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Chromium Potassium Sulfate

Chromium potassium sulfate is used in textile dye, photography, ceramics, and for the preparation of chromium standard solutions.

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Boron Sulfide LAB GRADE 99%

Boron Sulfide crystal powder boron trisulfide

B2S3 99%

pigment, electronic, sputtering target, coating


Cesiumhydroxide monohydrate

Cesiumhydroxide monohydrate is used as materials for manufacturing various cesium salts and in glass making ceramics manufacture industry.

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Holmium Metal Purified 99.9%

Holmium powder is dark gray fine particles, which has  unusual magnetic property. It is stable at room temperature and in dry air, however in dry air and high temperature, it is easy to oxidize. It is soluble in inorganic acid. Holmium metal can compound with various nonmetal elements nearly. It exists in gadolinite, monazite and other rare earth ores. Holmium chloride is the raw material. Ho can process into foil, sheet, rod, powder, wire and sputtering target. The ingot is of REM 99.99% by distillation method. Ho powder is of REM 99.9% and particle size -100mesh and -200mesh. There are two production method of holmium ingots, distillation method and reduction method. The distilled holmium piece is dendritic with higher purity than reduced one.

Holmium Powder

Purity: Ho/REM 99.9% 3N

CAS No.:7440-60-0 EINECS No.:231-169-0 Molecular Formula:Ho Molecular Weight:164.930
Melting Point:1474℃ Boiling Point:2695℃ Density:8.79  


Holmium metal powder can apply in material of highfield. It is raw material for producing magnetic alloys material.

Holmium Oxide Purified 99.9%

Holmium oxide is faint yellow or yellow powder, which is isometric system scandium oxide type structure. It is rare earth oxide, which is insoluble in water, but not soluble in acid. Ho2O3 is insoluble in water, but soluble in acid, which is stable at room temperature and pressure.

Holmium Oxide

CAS No.:12055-62-8 EINECS No.:235-015-3 Molecular Formula:Ho2O3 Molecular Weight:377.86
Density:8.16 Melting Point:2415℃ Boiling Point:3900℃  


Holmium(III) oxide mainly applies to make new light source Dysprosium Holmium lamp. It is also additive for yttrium iron or yttrium aluminum garnet and raw material for holmium metal.

Holmium trioxide acts as magnetic material and new electric light source.

Terbium Metal Purified 99.9%

Terbium metal is silver gray metal, which is a kind of rare earth metal. There are two production method, distillation and reduction. Distilled terbium is dendritic with metal luster. Reduced terbium is dark gray without metal luster. Distillation method get higher purity than reduction method. It tend to corrode by air when heating, but extremely slow at room temperature.  Its main compounds include terbium trioxideterbium dioxideterbium fluorideterbium chloride and other terbium(IV) salts. Terbium can process into foil, sheet, wire, rod, powder and sputtering target. Tb ingot is of REM 99.99% by reduction method and distillation method. The distilled terbium piece is dendritic with higher purity than reduced Tb. Tb powder is of REM 99.9% and particle size -100mesh and -200mesh.

Terbium Metal

Purity: Tb/REM 99.99% 4N

CAS No.: 7440-27-9 EINECS No.: 231-137-6 Molecular Formula: Tb Molecular Weight: 158.925
Melting Point:1356℃ Boiling Point:3230℃ Density:8.27  


Distilled terbium metal apply to make high-temperature fuel cell and laser material. Calcium fluoride, calcium tungstate, strontium molybdate doped with terbium can apply to make solid state device.

Terbium magneto-optic material has bulk production, which is a kind of magneto-optic storage material. Magneto-optic disc of Tb-Fe non-crystal film can be as computer memory element, which increase storage by 10-15times.

Faraday rotatory glass containing terbium is key material in processing rotator, isolator and circulator that widely used in laser technology. Especially TerFenol. Terfenol is new material that found in 70s. Half of the alloy are terbium and dysprosium. Sometime adding holmium. The balance is iron. Tb-Dy-Ir mainly apply to sonar initially, but now it gets more and more applications as fuel injection system, liquid valve control, wing adjuster, special loudspeaker and so on.

Terbium metal can apply to do nondestructive inspection for welding spot of ships and pipeline.

Yttrium Oxide Purified 99.9%

Yttrium oxide is white to light yellow powder, which is a kind of rare earth oxides. It is insoluble in dilute acid, however nearly insoluble in water.

Yttrium Oxide

CAS No.:1314-36-9 EINECS No.:215-233-5 Molecular Formula:Y2O3 Molecular Weight:225.81
Melting Point:2439℃ Boiling Point:4300℃ Density:5.03 Flash Point:12℃


Yttrium(III) oxide granule can apply to thermal spray. For this application, it process into spherical large particle to get great flow ability. It should guarantee the whiteness too. Normally the production method is granulation.

Yttrium trioxide is important material for magnetic material for microwave and military project, which is also for optical glass. It can improve the refractive index of special glass and reduce dispersion index. So it is raw material for high brightness fluorescent powder for large-screen television and coating of other kinescope.

Yttria apply to produce thin film capacitor , special refractory material, high pressure mercury lamp, laser, memory parts and other magnetic bubble material. It is also for artificial laser crystal and superconductive material.

Yttrium(III) oxide powder is additive for lanthanum series glass and high temperature resistance and rediation resistance optical glass. It is also important additive for silicon nitride engineering ceramics, zirconium dioxide engineering ceramics, piezoelectric ceramics, photoelectric ceramics, semiconductor ceramics, thermistor ceramics, capacitor ceramics and other functional ceramics.

Yttria powder mainly apply to prepare new magnetic material yttrium iron garnet and solid laser material yttrium aluminum garnet (YAG). It is also a kind of hydrogen storage material.

Cobalt Dichloride Hexahydrate

Cobalt Dichloride Hexahydrate is a blue crystalline powder that in the presence of water assumes different forms, the most stable of which has a ruby red crystalline appearance. It is soluble in water and alcohol. Cobalt Dichloride Hexahydrate is a raw material for catalysts and for production of pigments for ceramics. It is also used for the metal surface treatment industry.

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Copper(II) Chloride Dihydrate

Copper(II) chloride dihydrate is used as catalyst for organic and inorganic reactions. In petroleum industry it is used as deodorizing, desulphurising and purifying agent. Used as mordant for dyeing and printing textiles, and as oxidizing agent for aniline dyestuffs. It is also used in indelible, invisible and laundrymarking inks, manufacture of fast black - melanin, and for electroplating copper on aluminium. In photography copper(II) chloride dihydrate is used as a fixer, desensitizer. It is also used as pigments for glass, ceramics and as component of wood preservative, disinfectant and animal feed supplement.

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