Industrial Applications and Uses of Chromium
The most important application of chromium is in the production of steel. High-carbon and other grades of ferro-chomium alloys are added to steel to improve mechanical properties, increase hardening,
Sep 27，2019 Inorganic chemistry
What Is Titanium Dioxide?
There seems to be a lot of misunderstanding about titanium dioxide, which can be used as a colorant in foods. While headlines may suggest titanium dioxide is a health concern, scientific research has
Sep 27，2019 Inorganic chemistry
Industrial Preparation of Chromium Metal
Chromium occurs in the minerals chromite, FeO?Cr2O3 and crocoite, PbCrO4. Chromium metal is produced by thermal reduction of chromium(III) oxide, Cr2O3 by aluminum, silicon or carbon. The starting mat
Sep 27，2019 Inorganic chemistry
Beryllium Applications
Beryllium, chemical symbol Be, atomic number 4, and relative atomic mass (i.e., atomic weight) 9.012182, is the first element of the alkaline-earth metals, i.e., group IIA of Mendeleev’s periodic char
Sep 27，2019 Inorganic chemistry
The applications of Francium
Francium occurs naturally in nature as the 223Fr radionuclide in uranium minerals. It was first discovered in 1939 by Mademoiselle Marguerite Perey of The Institut Curie (Paris, France). The name come
Sep 27，2019 Inorganic chemistry
The applications and Preparation of Cesium
Cesium, or Caesium, chemical symbol Cs, atomic number 55, and relative atomic mass (i.e., atomic weight) 132.90545, is the fifth alkali metal of group IA of Mendeleev’s periodic chart. The word cesium
Sep 27，2019 Inorganic chemistry
Titanium Properties and Characteristics
Titanium is also formidable in its resistance to corrosion by both water and chemical media. It does this by forming a thin layer of titanium dioxide (TiO2) on its surface that is extremely difficult
Sep 26，2019 Inorganic chemistry
9 Ways People Used Radium Before We Understood the Risks
Radium was discovered by Marie Curie and her husband Pierre in 1898. In 1903, the Royal Academy of Sciences awarded Marie and Pierre Curie and Henri Becquerel the Nobel Prize in Physics, making Marie
Sep 26，2019 Inorganic chemistry
Radium Industrial Applications and Uses
Radium ,chemical symbol Ra, atomic number 88, and relative atomic mass [226] for the longest-life isotope, is the heaviest element of the alkaline-earth metals. The name Alkaline-Earth Metals 265 4 Le
Sep 26，2019 Inorganic chemistry
General Properties of Chromium
Chromium [7440-47-3], atomic number 24 and relative atomic mass 51.9961(6), is the first element of group VIB(6) of Mendeleev’s periodic chart and was named after the Greek khroma, meaning color, due
Sep 26，2019 Inorganic chemistry