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2022-05-09 00:54:34

Home Ammonium Paratungstate Menu How to Order Customer Service Language 简体中文 繁體中文 日本語 한국어 Português Español Deutsch Français More Ammonium Paratungstate Inquiry & Feedback Ammonium paratungstate is a white crystalline salt of ammonium and tungsten, with the chemical formula (NH4)10(W12O41)·5H2O. It is insoluble in water, mainly used for preparation of ammonium metatungstate, tungsten oxide and tungsten powder. Heating ammonium paratungstate to 220-280°C loses part of ammonia and crystal water, which can be converted into ammonium metatungstate AMT, heating to above 600°C, loses all ammonia and crystal water, and completely transforms into tungsten trioxide. APT Specification Grade APT-0 WO3 Content(≥%min) 88.5 Impurity(%max) Impurity Al As Bi Ca Cd Cr Co Cu Fe Mg Mn Mo MAX 0.0005 0.0010 0.0001 0.0010 0.0010 0.0010 0.0010 0.0003 0.0010 0.0005 0.0005 0.0020 Impurity Na Ni K P Pb S Sb Si Sn Ti V LOI MAX 0.0010 0.0005 0.0010 0.0007 0.0001 0.0008 0.0005 0.0010 0.0002 0.0010 0.0010 11.5 Related Products: Yellow tungsten oxide 0.6um yellow tungsten oxide is a kind of tungsten oxide, with a positive yellow powder appearance, stable properties at normal temperature and apparent density of 0.6-1.0g/cm3. Ammonium Metatungstate Ammonium metatungstate(AMT) is an important intermediate compounds of tungsten hydrometallurgical process, appearance is white crystalline powder, solubility in water is the largest in the tungsten compounds which over 300g WO3/100ml H2O (in 25℃). Sodium Tungstate Sodium tungstate, a tungstate of sodium, is useful as a source of tungsten. It is prepared from tungsten ores used to manufacture tungsten by reducing it. Violet tungsten oxide Purple Tungsten oxide is divided into WO2.72 (or W18O49). It is a kind of tungsten oxide. It is abbreviated as VTO. It is a purple finely grained crystalline powder, and its color usually appears purple or blue purple. Ammonium Paratungstate What Is Ammonium ParatungstateIntroductionCatalogue Physical PropertyChemical Property Molecular Formula Molecular Weight CAS Number HS Code Color SEM Molecular Structure Solubility Hydrogen ReductionGrain Size Control Impurity TestPackingExport Regulation Hazard and Protection Ammonium Paratungstate Hydrate Ammonium Metatungstate and Ammonium Paratungstate Difference Sodium Doped Ammonium Paratungstate Arsenic Doped Ammonium Paratungstate Orthorhombic Ammonium Paratungstate Coarse Crystalized APTSingle Crystal APTMonoclinic APTHigh Calcium Content APTCr Doped APTUltra Fine APTAPT Crystal Mother Liquor Recovery Utilization APT Specification Content ComponentSpecification APT Related Document APT MSDS Material Safety Data Sheet National Standard GB/T 10116-2007 Conflict Minerals Policy Statement APT Producing Method Preparation Process Manufacture Process Calcination Traditional Method Classic Chemical Purification Method Electrodialysis Method Hexamethylene Tetramine Method Evaporation Crystallization Method Neutralization Method Liquid Film Method Tungstic Acid Method Freezing Crystallization Method Ion Exchange Method Solvent Extraction Method W Sn Ore Wet Method Two Step Ion Exchange Method Ultrasonic Method Ultrasonic Microwave Hydrothermal Method CO2 Direct Crystallization Method Secondary Ion Exchange Saturated Absorption Method APT Application Producing Ammonium MetatungstateProducing Tungsten TrioxideProducing Blue Tungsten OxideProducing Tungsten PowderProducing Coarse Tungsten PowderProducing Submicron Spherical Tungsten Powder APT Market Cost Composition Price Affecting Factor Latest Price APT Customer Service and Support Why Choose Chinatungsten Free Information Service Customized Information Service Customized Service After Sales Service Laws And Regulations APT News APT Vocabulary APT Picture APT Video APT Production Video APT Patent Sitemap Chinatungsten Tungsten News Tungsten Video Tungsten Image Tungsten Blog Tungsten Tungsten Alloy Tungsten Carbide Tungsten Copper Molybdenum Tungsten Jewellery Fishing Sinkers Tungsten Powder Tungsten Oxide Tungsten Dart Email：[email protected] Tel.：+86 592 5129696 Home/About Us/Contact Us/Visit Us/Service/Sitemap Copyright ©1997 - 1997 Chinatungsten   ISO 9001:2015