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The Dumas method of molecular weight determination was historically a procedure used to determine the molecular weight of an unknown substance. The Dumas method is appropriate to determine the molecular weights of volatile organic substances that are liquids at room temperature. The method was designed by the French chemist Jean Baptiste André Dumas, after whom the procedure is now named. Dumas used the method to determine the vapour densities of elements (mercury, phosphorus, sulfur) and inorganic compounds.

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  • Molmassenbestimmung nach Dumas (de)
  • Dumas method of molecular weight determination (en)
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  • Über das Verfahren nach Dumas lässt sich ähnlich wie nach dem Verfahren nach Victor Meyer die molare Masse einer verdampfbaren Flüssigkeit bestimmen. Die Methode hat heute allerdings nur noch eine didaktische Bedeutung für den naturwissenschaftlichen Unterricht, z. B. den Chemieunterricht, das Physik- oder Chemiestudium. (de)
  • The Dumas method of molecular weight determination was historically a procedure used to determine the molecular weight of an unknown substance. The Dumas method is appropriate to determine the molecular weights of volatile organic substances that are liquids at room temperature. The method was designed by the French chemist Jean Baptiste André Dumas, after whom the procedure is now named. Dumas used the method to determine the vapour densities of elements (mercury, phosphorus, sulfur) and inorganic compounds. (en)
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  • Über das Verfahren nach Dumas lässt sich ähnlich wie nach dem Verfahren nach Victor Meyer die molare Masse einer verdampfbaren Flüssigkeit bestimmen. Die Methode hat heute allerdings nur noch eine didaktische Bedeutung für den naturwissenschaftlichen Unterricht, z. B. den Chemieunterricht, das Physik- oder Chemiestudium. (de)
  • The Dumas method of molecular weight determination was historically a procedure used to determine the molecular weight of an unknown substance. The Dumas method is appropriate to determine the molecular weights of volatile organic substances that are liquids at room temperature. The method was designed by the French chemist Jean Baptiste André Dumas, after whom the procedure is now named. Dumas used the method to determine the vapour densities of elements (mercury, phosphorus, sulfur) and inorganic compounds. Today, modern methods such as mass spectrometry and elemental analysis are used to determine the molecular weight of a substance. (en)
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