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Results 91 - 100 of 501 for Analytical equipment
  • Article - 28 Mar 2002
    In 1803, Wollaston discovered the palladium metal. It occurs along with other metals belonging to the platinum group in Placer deposits in Australia, Russia, Ethiopia, North America, and South...
  • Article - 13 Dec 2001
    Silica is one of the most abundant oxides in the earths crust. It exists in 3 crystalline forms as well as amorphous forms. It hasmany useful properties and is used in a range of applications such as...
  • Article - 30 Nov 2001
    Biaxial testing is a method that can assess how polymer matrix composites will perform under complex load situations.
  • Article - 18 Sep 2001
    Very good flame retardant characteristics (VO>2) compared with unmodified SAN (HB). Relative advantages, disadvantages and applications are listed together with a table of typical properties.
  • Article - 16 Sep 2001
    Superior compressive strength, improved heat distortion temperature, tensile strength and modulus compared with unmodified PA 12.
  • Article - 29 Jul 2001
    Black was the first person to recognize magnesium (Mg) as an element in 1755. Later, in 1808, Davy isolated this element by evaporating mercury from a magnesium amalgam.
  • Article - 23 Jul 2001
    Ancient Chinese and Hindus were familiar with mercury (Hg). The metal was also found in Egyptian tombs of 1500 BC. Mercury rarely occurs as such in nature.
  • Article - 20 Jul 2001
    Cobalt is a brittle, hard metal white in appearance resembling nickel but with a bluish tinge instead of the yellow of nickel. It imparts hardness to steels and alloys. Radioactive cobalt 60 has many...
  • Article - 20 Jul 2001
    In its pure state chromium is a steel-silvery grey with bluish tinge lustre. It is an extremely hard metal that takes a high polish. As a coating it has no capilliary action to oil and water. Its main...
  • Article - 20 Jul 2001
    Caesium is the most electropositive and most alkaline element. It is also highly reactive. It is used as an oxygen getter, a gamma-ray emmitter, in teletherapy, as a catalyst for hydrogenation,...