Boron is a solid black or silvery-gray color. Crystal boron has a black color, is second in hardness only to diamond, and is relatively brittle. Purity>95%Particle size: 0.08-5um About Boron Amorphous Boron: The powder of Boron is black or dark…
Is boron amorphous or crystalline?Boron can be prepared in several crystalline and amorphous forms. The well-known forms of crystallization are α-rhombohedral (α-R), β-rhombohedral (β-R) and β-tetragonal (β-T). In spec…
Amorphous graphite is usually formed by contact metamorphism of anthracite coal seams with metamorphic agents (e.g. tectonic stress, magma, etc.).…
According to statistics from China Chemical and Physical Power Supply Industry Association， China's export volume and export value of lithium-ion batteries have continued to increase. In 2021, China's exports of lithium-ion batteries were 3.428 billi…
Nickel has seen a rapid rise recently, with the price of nickel on the London Metal Exchange soaring to more than $100,000 a metric ton, up 250%, leading to a trading halt. According to Morgan Stanley analyst Adam Jonas, an increase in the price of o…
In the quest for sustainable energy storage, researchers at Chalmers University of Technology in Sweden have come up with a new concept that applies graphene to sustainable sodium-ion batteries, resulting in a tenfold increase in capacity over conven…
Bitcoin suddenly plummeted more than 15% , other cryptocurrencies also fell. According to data from CoinGecko, within 24 hours, Ethereum fell to $2,542.2, a drop of 3.53%; Dogecoin fell 2.93%; Solana coin fell 5.64%; Shiba Inu coin fell 3.7%; Terra c…
Recently, Professor Zhan Dongping's group and Professor Tan Yuanzhi's group at Xiamen University collaborated to experimentally demonstrate that graphene can achieve a carbon-hydrogen atomic ratio of 1:1 and a theoretical capacity of 7.7% by weight b…
British car service company RAC said , t he average price of petrol in the UK has risen to 1.51 pounds (about 12.76 yuan) per liter, and diesel has risen to 1.55 pounds (about 13.09 yuan) per liter . The company official said that since last Thursday…
Recently, two national standards in the field of graphene, GB/T41067-2021 "Determination of Sulfur, Fluorine, Chlorine, and Bromine Content in Nanotechnology Graphene Powders by Combustion Ion Chromatography" and GB/T41068-2021 "Nanote...…
New discovery: burning magnesium in dry ice produces graphene According to media reports, graphene, a two-dimensional carbon material, is one of the thinnest materials with unique electronic and mechanical properties. American scientists have discove…
What is sodium silicate? There are two types sodium silicates: Chemical formula Na2SiO3, Molecular formula 122.00. This is sodium metasilicate. The sodium orthosilicate is chemical formula Na4SiO4, with molecular formula 184.04. Sodium silicate (or s…
Accelerating agent is to point to the admixture that can make concrete condenses quickly after concrete hardening. Early strength agent refers to the admixture which can improve the early strength of concrete and has no significant effect on the lat…
A molybdenum rod with high melting points, thermal conductivity, and low thermal expansion can be used in the production of high-temperature heating element, vacuum tubes, and light source components. High Hardness Molybdenum Rods for Metal Alloy:…