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Ammonium Metatungstate Hydrate 635

Ammonium metatungstate hydrate is the hydrate of AMT with CAS No. of 12333-11-8, molecular formula of (NH4)6H2W12O40?xH2O, and molecular weight of 2974.3. Its WO3 content is determined to be 99.0%. Its total impurity is less than or equal to 0.005% water-insoluble substance. Ammonium Metatungstate Hydrate Properties 1. Melting point is 100°C (dec.) (lit.); 2. It is soluble in water and its solubility in water is 0.1g/mL. The solution is clear and colorless. Ammonium Metatungstate Hydrate Applications 1. Used as a…

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High-purity Ammonium Metatungstate Crystal 612

High-purity ammonium metatungstate crystal may be prepared by neutralization-nanofiltration-crystallization coupling process. Among them, the coupling process of neutralization-nanofiltration was studied to know the effects of temperature, pH value, stirring rate, and membrane pressure on the coupling process. The neutralization-nanofiltration coupling process includes acid neutralization process to prepare AMT mixed solution and nanofiltration process of AMT mixed solution. Neutralization-nanofiltration Coupling Process to Study Preparation Conditions of High-purity Ammonium Metatungstate Crystal 1. Test Materials and Devices (1) Ammonium paratungstate (APT-0); (2) Nitric…

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Industrial Grade Ammonium Metatungstate 619

Industrial grade ammonium metatungstate is ammonium metatungstate of very high purity. The determination of bismuth (Bi) in AMT may be feasible by coprecipitation-hydride generation-atomic fluorescence spectrometry. A Method for the Determination of Bismuth in AMT by Coprecipitation-hydride Generation-atomic Fluorescence Spectrometry 1. Instrument AFS-830 dual channel atomic fluorescence spectrometer; bismuth high intensity hollow cathode lamp. 2. Reagents (1) Standard stock solution: 1,000 μg/mL; (2) Bismuth standard solution: 100ng/mL; (3) Reducing agent: 20g/L KBH-5g/L KOH mixed solution, which is freshly prepared just…

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Crystalline Ammonium Metatungstate 613

Crystalline ammonium metatungstate is an important intermediate compound (or raw material) for the production of tungsten products. And tungsten products are important industrial raw materials, whose impurity content should be strictly controlled and accurately detected. In recent years, the requirements for purity of AMT has become higher and higher so that more and more impurity elements should be analyzed. Among them, the determination of trace bismuth in crystalline ammonium metatungstate is available by coprecipitation-hydride generation-atomic fluorescence spectrometry. And hydride generation-atomic…

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Tungsten Alloy Stopper Shield 265

Tungsten alloy stopper shield can greatly reduce the shield shield’s volume without compromising the shield’s shielding. It can shield all kinds of rays and has good shielding ability. It can replace iron stopper shield, and has the twice absorption capacity of protons than iron stopper shield. Tungsten alloy stopper shield at the entrance of the detector consists of two shield shields. The entrance of the X-ray detector is an asymmetric trapezoidal tungsten alloy stopper shield, while the tungsten alloy stopper…

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Tungsten Alloy Shielding Sheet 238

Tungsten alloy shielding sheet is non-toxic and environmentally friendly. It is safe to use and will not cause any harm to the human body. It also has strong shielding ability and flexible applicability. It is widely used to shield radiation, which can shield room radiation and be used as shielding radiation cover for nuclear waste. Specification Thickness: 1mm~2mm; Width: 500mm~2,000mm Chinatungsten Online can provide high quality tungsten alloy shielding sheets in various sizes. Customers can also cut according to their…

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Nuclear Submarine Tungsten Radiation Protector 278

Nuclear submarine tungsten radiation protector has high density and good radiation shielding capabilities. It can be used for pressure vessels and roof bolts of nuclear submarine power systems. Characteristic Nuclear submarine tungsten radiation protector has high density, high radiation shielding capability and environmental protection features. Its production raw material is high density tungsten alloy, which is mainly composed of 90% tungsten powder mixed with other metal powders such as nickel, iron and copper powder. Applications Nuclear submarine tungsten radiation protector…

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Container Inspection Tungsten Radiation Shield 297

Container inspection tungsten radiation shield will have a smaller volume compared to other material shields, making it easier to move and install, but with higher ray absorption capacity. It can be used for radiation source storage and container inspection. Characteristic Container inspection tungsten radiation shield has a relatively high density, and its volume is only 1/3 of that of an equivalent weight lead shield, but the ray absorption capacity is comparable to that of a lead shield. Applications Container detection…

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Tungsten Alloy PET Shield 250

Tungsten alloy PET shield has good radiation absorption ability for radiation. It is widely used in the medical field, including tungsten alloy PET drug extraction protection parts, tungsten alloy PET drug extraction protection parts, 30ml tungsten alloy PET protective cans, 3/5cc tungsten alloy PET Protective parts, tungsten alloy PET protective bricks and so on. Tungsten alloy PET drug extraction protection can provide medical personnel with the best radiation protection when carrying out radioactive PET drug extraction without using an expensive…

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Tungsten Stopper 272

Tungsten stopper has excellent radiation shielding and performance properties. It is widely used in PET chambers, linear accelerators, HDR rooms, gamma knives and nuclear power plants. Characteristic Tungsten stopper has strong radiation shielding, higher density, good corrosion resistance and mechanical processing performance. It is non-toxic and environmentally friendly. Compared to the same volume of shields, tungsten stopper has better radiation shielding than lead. Applications Tungsten stopper can be used as radioactive source shielding containers, gamma ray shielding shields, shield blocks,…

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