Applications and Preparation of Silver
Silver is one of the oldest metals, known since ancient times. It is a precious metal worldwide, used in ornaments, coins, and utensils.
Sep 30，2019 Inorganic chemistry
General Properties of Silver
From a chemical point of view, silver is stable in pure air and water in comparison with copper, but it readily tarnishes when exposed to ozone, O3, hydrogen sulfide, H2S, or air containing sulfur dio
Sep 30，2019 Inorganic chemistry
Industrial Applications of Rhenium metal
Rhenium metal is used as an additive to tungsten and molybdenum-based alloys to impart useful properties at elevated temperatures. The outstanding properties of rhenium and rhenium alloys suggest thei
Sep 30，2019 Inorganic chemistry
Preparation of Rhenium
Rhenium is obtained commercially from molybdenum roaster-flue dusts obtained from the processing of copper-sulfide ores.
Sep 29，2019 Inorganic chemistry
Industrial Applications and Uses of Tungsten
Industrially tungsten is a very important metal having wide applications. This is due to many outstanding physical properties. Among all the metals, tungsten has the highest melting point and the lowe
Sep 29，2019 Inorganic chemistry
Industrial Preparation of Tungsten
Tungsten ores such as scheelite and wolframite are recovered from rich veins by underground mining techniques and, to a lesser, economically negligible, extent, by open-pit processes.
Sep 29，2019 Inorganic chemistry
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