Tungsten

Information
Tungsten Sheet 4

Like tungsten bars, tungsten sheet is a typical product of the transition metal tungsten, sharing highly similar thermal, mechanical, chemical, and electrical properties, and is widely used in industries such as machinery and semiconductors. Tungsten sheet can be categorized into pure tungsten sheet and tungsten alloy sheet. The former is a thin sheet made from pure tungsten powder, while the latter is an alloy product with tungsten as the hard phase and metals like nickel and iron as the binding…

Information
Sodium Metatungstate 4

Like ammonium metatungstate (AMT), sodium metatungstate is an important compound of the transition metal tungsten. It is a polymeric metatungstate formed by acidifying an isotungstate solution, exhibiting excellent physicochemical properties and widely used in density separation studies in geology, soil science, and marine biology. Sodium metatungstate, also known as sodium metatungstate hydrate, polytungstate sodium, or sodium polytungstate, is a typical metatungstate composed of the transition metal tungsten, alkali metal sodium, non-metal oxygen, and hydrogen. It is a white crystal or…

Information
Yellow Tungstic Acid 7

As a typical tungstic acid, yellow tungstic acid generally refers to a transition metal compound with a 1:1 ratio of tungsten trioxide (WO?) to water (H?O). It consists of one tungsten atom, two hydrogen atoms, and four oxygen atoms, forming a pale yellow crystal or powder. It is a hydrated tungsten oxide, with the English name Yellow Tungstic Acid, a molecular formula of H?WO? or WO?·H?O, and a molecular weight of 249.86. Yellow tungstic acid appears as a pale orange-yellow…

Information
Tungsten Tetraboride 5

Like tungsten monoboride (BW), ditungsten boride (BW?), tungsten diboride (WB?), and ditungsten pentaboride (W?B?), tungsten tetraboride (WB?) is an inorganic compound composed of the transition metal tungsten (W) and the non-metal boron (B). It exhibits excellent mechanical and electrical properties, making it valuable for applications in machining and electrode preparation under extreme conditions. Due to varying ratios of tungsten to boron atoms, different tungsten borides have distinct physicochemical properties, production methods, and applications. Below is an overview of WB?’s basic…

Information
Molybdenum Acid 2

As an important compound of the rare metal molybdenum, molybdic acid is a colorless triclinic or yellow monoclinic solid powder formed by combining molybdenum trioxide (MoO?) and water in a specific ratio. It is a hydrated molybdenum oxide composed of hydrogen ions (H?), hydroxide ions (OH?), and molybdate ions ((MoO?)2?). Its English name is Molybdic Acid, with a molecular formula typically of MoO?·2H?O, a molecular weight of 179.97, and a CAS registry number of 7782-91-4. The solid form of molybdic…

Information
Barium Tungsten Electrodes for Solar Simulators 4

Solar simulators are critical equipment for the research, development, and quality testing of photovoltaic devices. Their primary function is to accurately replicate the spectral distribution, irradiance intensity, and spatial uniformity of sunlight. As a key component of the simulator’s light source system, barium tungsten electrodes play an irreplaceable role in enhancing light source performance and ensuring testing accuracy. Applications of Barium Tungsten Electrodes in Solar Simulators 1. Core Electrode Material for Xenon Lamps Xenon lamps have become the mainstream light…

Information
Barium Tungsten Electrodes for Surgical Shadowless Lamps 4

Surgical shadowless lamps are critical devices used in operating rooms to illuminate surgical sites. Their core function is to project light onto the surgical area at specific angles through the reflection and refraction of multiple light sources, preventing shadows caused by the surgeon’s head or instruments and providing a clear, uniform surgical field of view. Key requirements for these lamps include high brightness, low heat output, precise color temperature control, and long service life to meet the stringent lighting demands…

Information
Barium Tungsten Electrodes for Industrial Sterilization 4

Barium tungsten electrodes are made of high-purity tungsten as the main component and are made by doping barium elements or their compounds (such as barium oxide). They are a high-performance cathode material that combines the high melting point and corrosion resistance of tungsten with the low work function characteristics of barium. In the field of industrial sterilization, barium tungsten electrodes are widely used in technologies such as plasma sterilization, ultraviolet sterilization, and electrochemical sterilization due to their efficient electron emission…

Information
Barium Tungsten Electrode for Industrial Inspection 3

Barium tungsten electrode is an electrode material with tungsten as the matrix and doped with barium or barium compounds, which combines the high melting point, high hardness of tungsten and the low work function characteristics of barium. This electrode has potential application value in the field of industrial inspection due to its excellent electron emission performance and arc stability. Industrial inspection involves multiple fields such as non-destructive testing, material analysis, and semiconductor manufacturing. Barium tungsten electrodes can provide high-precision and…

Information
Barium Tungsten Electrodes for Medical Aesthetic Light Sources 2

Barium tungsten electrodes, as core components of medical aesthetic light sources, play a pivotal role in enhancing equipment performance and ensuring treatment safety, thanks to their unique physicochemical properties. Their technological advantages are directly linked to the stability, efficiency, and service life of light sources, making them an indispensable part of modern medical aesthetic technology. I. Technological Principles of Barium Tungsten Electrodes in Medical Aesthetic Light Sources Barium tungsten electrodes achieve low work function and efficient electron emission through the…

1 2 3 … 331