High Purity Sodium Tungstate Dihydrate

New Product sodium tungstate Sales

• Brand: leji
• Packaging: Bag/Drum
• Supply Ability: 8000kg
• Certificate: ISO9001

1. The wolframite is crushed to 320 mesh by the alkaline hydrolysis method of tungsten ore, and 30% caustic soda is added to the reactor for alkaline hydrolysis. After alkaline hydrolysis, it is reacted with calcium chloride to synthesize calcium tungstate, and calcium tungstate reacts with hydrochloric acid to...

Contact Now

chemical reagent sodium molybdate

• Brand: leji
• Packaging: Bag/Drum
• Supply Ability: 8000kg
• Certificate: ISO9001

Reagent in analytical chemistry, Paint pigments, Production of molybdated toners & lakes, Metal finishing, Brightening agent for zinc plating, Corrosion inhibitor, Catalyst in die & pigment production, Additive for fertilizer & feeds, Macro nutrient. Sodium molybdate acts an important role as a fertilizer...

Contact Now

Hot Product sodium molybdate

• Brand: leji
• Packaging: Bag/Drum
• Supply Ability: 8000kg
• Certificate: ISO9001

Sodium molybdate is an inorganic substance with the chemical formula Na2MoO4, which is a white rhombus crystal. Molybdenum trioxide can be produced by oxidative roasting of molybdenum concentrate, leaching with liquid alkali to produce sodium molybdate solution, and then it can be obtained by suction filtration,...

Contact Now

Chemical reagent sodium molybdate spot

• Brand: leji
• Packaging: Bag/Drum
• Supply Ability: 8000kg
• Certificate: ISO9001

Precipitants, catalysts, molybdenum salts used in the manufacture of alkaloids, inks, fertilizers, molybdenum red pigments and lightfast pigments, also used in the manufacture of flame retardants and metal inhibitors for pollution-free cold water systems, as well as galvanizing, Polishing agents and chemical...

Contact Now

Chemical reagent Ammonium molybdate spot

• Brand: leji
• Packaging: Bag/Drum
• Supply Ability: 8000kg
• Certificate: ISO9001

Ammonium molybdate is mainly used for smelting ferromolybdenum and preparing molybdenum trioxide and metal molybdenum powder; as raw material for tungsten-molybdenum alloy and molybdenum wire; for geological exploration of phosphate rock; for chemical catalyst; a small amount for agricultural molybdenum Fertilizer; a...

Contact Now

Chemical reagent Sodium tungstate

• Brand: leji
• Packaging: Bag/Drum
• Supply Ability: 8000kg
• Certificate: ISO9001

Sodium tungstate is an inorganic substance with the chemical formula Na2WO4. It is a colorless crystal or white crystalline powder. It is weathered in dry air and loses crystal water at 100 °C. It is soluble in water, insoluble in ethanol, and has a relative density of 3.23 to 3.25. Melting point 698 ℃ (anhydrous)....

Contact Now

Chemical reagent sodium tungstate spot

• Brand: leji
• Packaging: Bag/Drum
• Supply Ability: 8000kg
• Certificate: ISO9001

Sodium tungstate is used in mordant, analytical reagent, catalyst, water treatment agent, manufacture of fireproof and waterproof materials, as well as phosphotungstate, borotungstate, etc. Used in the manufacture of metal tungsten, tungstic acid, tungstate, etc. For mordants, pigments, dyes, inks. It is used as a...

Contact Now

Chemical reagent Ammonium tungstate

• Brand: leji
• Packaging: Bag/Drum
• Supply Ability: 8000kg
• Certificate: ISO9001

Ammonium tungstate is a chemical substance whose molecular formula is (NH4)10W12O41~xH2O. Mainly used to manufacture tungsten trioxide or blue tungsten oxide metal tungsten powder; the downstream products of metal tungsten powder include tungsten material series, such as tungsten bars, tungsten wire and other electric...

Contact Now

Hot sales ammonium tungstate

• Brand: leji
• Packaging: Bag/Drum
• Supply Ability: 8000kg
• Certificate: ISO9001

After calcination of ammonium tungstate into tungsten trioxide, the tungsten trioxide is reduced, and then the tungsten trioxide reduced tungsten powder is oxidized and reduced twice in a cycle, and the particle size distribution is between 0.1 and 0.5 μm. %, submicron tungsten powder with a specific surface area of...

Contact Now

Chemical reagent Ammonium metatungstate

• Brand: leji
• Packaging: Bag/Drum
• Supply Ability: 8000kg
• Certificate: ISO9001

Ammonium metatungstate is an inorganic compound with the molecular formula H28N6O41W12, which is white crystalline powder or slightly yellow. Ammonium metatungstate is used to make metal tungsten, alloy steel, fireproof fabric, etc., and used in the ceramic industry. Company Profile Jiangsu Leiji Metal Materials Co.,...

Contact Now

Hot selling ammonium metatungstate

• Brand: leji
• Packaging: Bag/Drum
• Supply Ability: 8000kg
• Certificate: ISO9001

There are many preparation methods of AMT. The principle processes of the main preparation methods are: 1. Using ammonium tungstate solution as raw material, firstly prepare metatungstic acid press solution by solvent extraction or ion exchange method, and then obtain ammonium metatungstate through evaporative...

Contact Now

Chemical Reagent Ammonium Metatungstate Spot

• Brand: leji
• Packaging: Bag/Drum
• Supply Ability: 8000kg
• Certificate: ISO9001

Tungstic acid method: Dissolve tungstic acid with ammonia water, add it into deionized water filled with boiling, heat with stirring to remove ammonia to make Ph=8, add acetic acid when the solution is boiling, and then adjust the Ph value to 2-4 with dilute nitric acid, Continue to heat and concentrate to a relative...

Contact Now