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Results 331 - 340 of 350 for Jewellery
  • Article - 16 Nov 2010
    The field of forensic investigation is of increasing importance and thus the role of the Scanning Electron Microscope (SEM) becomes progressively more significant.
  • Article - 23 Jan 2002
    Platinum belongs to the platinum group of metals and it is malleable, lustrous, and ductile. It occurs abundantly on the earth’s crust, with around 0.001 ppm.
  • Article - 19 Jun 2013
    Silver is a chemical element with Ag as its symbol. It belongs to group 11, periodic number 5 of the periodic table. Its atomic number is 47.
  • Article - 14 Jun 2013
    Platinum is a dense, malleable, ductile, precious, gray-white transition metal with an atomic number of 78. As a member of group 10 of the periodic table, platinum exhibits excellent corrosion...
  • Article - 14 Jun 2013
    Palladium is a rare, lustrous silvery-white metal discovered in 1803 by William Hyde Wollaston. It belongs to group 10, periodic number 5 of the periodic table. Its atomic number is 46.
  • Article - 6 Jun 2013
    Titanium is a transition metal having white-silvery metallic appearance. It is a lustrous, strong metal that exhibits good resistance to atmospheric corrosion. The atomic number of titanium is 22 and...
  • Article - 1 Jun 2013
    Cobalt is a chemical element with Co as its symbol. It belongs to group 9, periodic number 4 of the periodic table. Its atomic number is 27.
  • Article - 28 May 2013
    Pure copper has the best electrical and thermal conductivity of any commercial metal. It forms alloys more freely than most of the metals. Copper UNSC76400 is a nickel silver alloy that has pleasing...
  • Article - 29 Mar 2013
    Diamond is an allotrope of carbon wherein carbon atoms are arranged in the form of a diamond cube. Diamond is transparent to opaque due to its optical isotropic properties.
  • Article - 22 Oct 2012
    Niobium is a soft and light weight metal, and is sometimes also referred to as columbium. It forms a bluish cast when it is exposed to air for a long period of time. Alloys used in aerospace,...