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Results 1 - 5 of 5 for Fountain pens
  • Article - 11 Feb 2003
    Osmium is a member of the platinum group of metals. Its abundance, occurence, extraction and applications are outlined. Mechanical, physical, electrical, thermal and atomic properties are also...
  • Article - 15 Oct 2002
    Iridium competes for the title of the densest material known to man. It is hard and brittle and is also one of the most corrosion resistant metals known. Its occurrence, properties and applications...
  • Article - 14 Jun 2012
    In 1803AD, Osmium was discovered by Smithson Tennant who separated it and iridium out from an impure platinum sample. Properties, occurence, production and applications of osmium are covered in this...
  • Article - 13 Jun 2013
    Osmium is a hard, brittle, bluish-white chemical element in Group 8 of the periodic table, with an atomic number 76. It is the densest of all the elements, and it is found in nature as an alloy,...
  • Article - 4 Jun 2013
    Iridium is a chemical element with ‘Ir’ as its symbol. It belongs to group 9, periodic number 6 of the periodic table. Its atomic number is 77.