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Bedrock Of The Community
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Slovakia International Year of Chemistry January 17, 2011 The design shows space-filling models of carbon dioxide and water molecules.  |
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Bedrock Of The Community
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26115 Posts |
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Switzerland International Year of Chemistry March 3, 2011 The design shows a ball-and-spoke model of Vitamin C (ascorbic acid).  |
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Bedrock Of The Community
United States
26115 Posts |
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Italy International Year of Chemistry September 11, 2011 The design shows laboratory glassware and a molecular structure model.  |
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| Edited by KuoLC5310 - 07/18/2017 7:03 pm |
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Bedrock Of The Community
United States
26115 Posts |
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Switzerland International Chemical Nomenclature Conference March 24, 1992 A chemical nomenclature is a set of rules to generate systematic names for chemical compounds. The nomenclature created and developed by the International Union of Pure and Applied Chemistry (IUPAC) is most widely used in the world. The stamp depicts the formula and molecular model of difluorbutane.  |
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Bedrock Of The Community
United States
26115 Posts |
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Great Britain Royal Institute for Chemistry Centenary March 2, 1977 Set of four, two stamps depicts molecular models of salt (sodium chloride) and vitamin C (ascorbic acid).  |
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Bedrock Of The Community
United States
26115 Posts |
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Portugal International Year of Crystallography July 21, 2014 Set of five stamps and one minisheet. Two of the stamps show models of salt and caffeine.  |
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Bedrock Of The Community
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26115 Posts |
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Belgium International Year of Crystallography June 10, 2014 The souvenir sheet, printed on transparent polyester, shows the models of ice crystals.  |
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Bedrock Of The Community
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26115 Posts |
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Uruguay International Year of Chemistry December 9, 2011 The minisheet shows the model of quartz (silicon dioxide) crystals.  |
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Bedrock Of The Community
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26115 Posts |
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Germany The 100th Anniversary of the Death of Friedrich Wöhler August 12, 1982 Friedrich Wöhler (1800 - 1882) was a German chemist. He is regarded as a pioneer in organic chemistry and is best known for his synthesis of urea. The commemorative stamp illustrates his Wöhler synthesis in 1828 and a ball-and-stick model of urea.  |
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Bedrock Of The Community
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26115 Posts |
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Canada Uranium Resources September 3, 1980 The design shows a ball-and-stick model of Uranium dioxide, the main component of the mineral uraninite.  |
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Bedrock Of The Community
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26115 Posts |
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Great Britain Nobel Prize 100th Anniversary October 2, 2001 Set of six, the stamp depicting chemistry shows the model of Carbon 60 (buckminsterfullerene) molecule. Scientists at Rice University (Houston, Texas) were awarded the 1996 Nobel Prize in Chemistry for their roles in the discovery of buckminsterfullerene and the related class of molecules, the fullerenes.  |
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Bedrock Of The Community
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26115 Posts |
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Finland The 100th anniversary of the foundation of the Chemical Technology Association and the Finnish Society of Chemists November 1, 1991 The design shows the 3D model of camphor with a cutout to reveal its molecular structure.  |
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Bedrock Of The Community
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26115 Posts |
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Switzerland The 200th Anniversary of the Birth of C. F. Schönbein September 24, 1999 Christian Friedrich Schönbein (1799 – 1868) was a German-Swiss chemist. He is best known for his invention of fuel cell and his discoveries of guncotton and ozone. The commemorative stamp shows atmosphere and a ball-and-stick model of ozone (trioxygen).  |
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Bedrock Of The Community
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26115 Posts |
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Indonesia International Year of Chemistry March 1, 2011 Set of two, one stamp shows a stick model of Artoindonesianin C, a xanthone natural product isolated from plant Artocarpus rigidus endemic to the Indonesian Islands.  |
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Bedrock Of The Community
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26115 Posts |
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Germany The 125th Anniversary of the Invention of Synthetic Textile Fiber February 18, 1971 The design shows the model of polyethylene terephthalate, mainly used in synthetic fibers and plastic bottles.  |
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Bedrock Of The Community
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26115 Posts |
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Malaysia 100 Years of Institute for Medical Research August 24, 2000 The minisheet shows a space-filling model of deoxyribonucleic acid (DNA).  |
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| Edited by KuoLC5310 - 07/22/2017 10:28 am |
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Replies: 84 / Views: 39,129 |
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Posted 07/18/2017 6:28 pm
