What is Calcium used for
Calcium, chemical symbol Ca, atomic number 20, and relative atomic mass (i.e., atomic weight) 40.078, is the third element of the alkaline-earth metals of main group IIA of Mendeleev’s periodic chart.
Sep 29，2019 Inorganic chemistry
The occurrence and preparation of Calcium
Calcium is a chemical element with the symbol Ca and atomic number 20. As an alkaline earth metal, calcium is a reactive metal that forms a dark oxide-nitride layer when exposed to air. Its physical a
Sep 29，2019 Inorganic chemistry
Vanadium Dioxide Breaks The Scientific Mold
Vanadium dioxide crystals could potentially make electronic circuits and surface coatings to do all of those things, and researchers from Duke University, Lawrence Berkeley National Laboratory and oth
Sep 29，2019 Inorganic chemistry
The Hottest Metal in the World Right Now – Vanadium
Vanadium has incredible properties which increase the strength of alloys containing it, such as rebar which is heavily used in construction. China has just raised their steel rebar limits (raised the
Sep 29，2019 Inorganic chemistry
Facts About Hafnium
Hafnium is a lustrous, silvery-gray transition metal. Discovered in 1923, it was the next-to-last element with stable nuclei to be added to the periodic table (the final one was rhenium in 1925). Hafn
Sep 29，2019 Inorganic chemistry
Industrial Applications and Uses of Molybdenum
Molybdenum is largely used in steel industry.Its compounds are widely used incoloring agents, solid lubricants and ascatalysts. In the form of ferromolybdenum for manufg special steels for tools, boil
Sep 27，2019 Inorganic chemistry
Industrial Preparation of Molybdenum Metal
High-purity molybdenum metal powder is prepared by reducing either pure molybdenum trioxide or ammonium dimolybdate with pure hydrogen at 600°C but not higher in order to prevent sintering and caking.
Sep 27，2019 Inorganic chemistry
Zirconium vs. Titanium
Zirconium is a naturally occurring element that is in a solid state at room temperature. It has a melting point of 3,362 degrees Fahrenheit and a boiling point of 7,952 degrees Fahrenheit. Its density
Sep 27，2019 Inorganic chemistry
General Properties of Molybdenum
Molybdenum is a hard, moderately dense (10,220 kg.m–3) refractory metal with a high melting point (m.p. 2621.85°C). Its freshly exposed surfaces are silvery white, but when tarnished the metal acquire
Sep 27，2019 Inorganic chemistry
TECHNOLOGY FOR COMMERCIAL PRODUCTION OF TITANIUM SPONGE
Titanium sponge is the primary metal form of titanium. Titanium sponge is almost exclusively prepared by the Kroll process, with only one company in the world still using the Hunter process.58 The Kro
Sep 27，2019 Inorganic chemistry