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Citric Acid Technical

Orchid Chemical trading is offering Citric Acid in the powder form, with technical grade. This product is available in 25kg package bags.As a food additive, citric acid is used as a flavoring and preservative in food and beverages. It is used as a successful alternative to nitric acid in passivation of stainless steel.

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Cobalt Stearate

Cobalt Stearate is a type of metal stearate.It mainly applies to rubber bonding.It is one of high performance cobalt bonding agent for rubber. It is very suitable for applications in natural rubber, Cisdene, styrenebutadiene rubber (SBR) and their compounds to bond easily with brass or zinc plated steel cord or metal plates as well as various bare steel, especially for bonding with brass plating of various thicknesses. It is ideal direct bonding agents for steel meridian cord tyre, steel wire fortified hoses and Conveyors as well as other rubber-metal composite products.

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Copper Stearate

Copper Stearate is a type of metallic stearate.It finds use as Antifouling agent in Paints, in wood preservative and as catalyst.

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Dicyclohexylamine Benzoate

Dicyclohexylamine Benzoate is used as pharmaceutical intermediate and volatile corrosion inhibitor.

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Dicyclohexylamine Nitrite

Dicyclohexylamine is used as an additive for prevention of CO2, corrosion in steam pipelines and boilers. It is used as an intermediate for the production of antioxidants and vulcanization accelerator. It is used as a catalyst for flexible polyurethane foams.

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Diethyl Disulfide

Diethyl disulfide is used as a solvent for a wide range of organic and inorganic materials. It is one of the simplest organic substance containing sulfur, used as a presulfiding agent for catalysts in the refinery and petrochemical manufacturing process especially in the ethylene manufacturing to control the formation of coke and carbon monoxide. It is also used in steel mill furnaces to control dusting. It is a chemical intermediate for wide range of organic synthesis.

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Dysprosium Nitride Industrial Grade 99.9%

Dysprosium nitride is gray powder, which is a rare earth metal nitride. Its production method is high energy ball milling process. Dysprosium metal is the raw material.

Dysprosium Nitride

Purity: Dy/RE 99.9%

Particle size: -100mesh, -200mesh

CAS No.:12019-88-4 EINECS No.:234-649-8 Molecular Formula:DyN Molecular Weight:176.51

Applications

Dysprosium mononitride is a magnetic material, semiconductor material, refractory material, photoelectric material and ceramic material.

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Dysprosium Oxide Industrial Grade 99.9%

Dysprosium oxide is white or faint yellow powder, which has a little different according to purity. It is insoluble in water.

Dysprosium Oxide

CAS No.:1308-87-8 EINECS No.:215-164-0 Molecular Formula:Dy2O3 Molecular Weight:373
Density:7.81 Melting Point:2330-2350℃ Boiling Point:3900℃  

Applications

Dysprosium(III) oxide is dopant in yttrium iron and yttrium aluminum garnet. It is also control material in nuclear reactor. Dy2O3 applies to make new light source dysprosium lamp with high brightness, good light color.

Dysprosium troxide uses as anode coating due to its cathode emission property. It is also raw material for metal dysprosium and additive for glass and NdFeB permanent magnet.

Dy2O3 is raw material for functional ceramics as piezoelectric ceramics, semiconductor material and capacitor ceramics and magneto-optical memory material.

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Dysprosium Pieces Purified 99.9%

dysprosium target metal sputtering target rare earth 

evaporation coating material, vacuum coating material plating

Dy REM 99.9%

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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%

Applications

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.

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