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PIARC (World Road Association), founded in 1909 and comprising 125 member governments from all over the world, is the global forum for exchange of knowledge and experience on roads, road transport policies and practices. With consultative status to the Economic and Social Council of the United Nations, the Association is contributing to a stable and sustainable global development of the road and transport sector.

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  4. Term of the Dictionary | methylene blue test

Term of the Road Dictionary

methylene blue test

  • Language : PIARC Road Dictionary / English
  • Theme : Roads Materials Material Testing
  • Definition : Test that measures the capacity of clay, organic matter and iron hydroxide contained in the fines of soil or sand to adsorb methylene blue.

Methylenblau-Versuch

  • Language : PIARC Road Dictionary / German
  • Theme : Straßen Baustoffe Materialprüfung
  • Definition : Ein Versuch, bei dem die Fähigkeit von Ton, organischer Materie und in den Feinteilen des Sandes oder des Sandes enthaltenem Eisenhydroxid bestimmt wird, Methylenblau zu adsorbieren. Der ermittelte "Methylenblau-Wert" ist ein Indikator für die Oberflächenaktivität (sowohl innerlich aus auch äußerlich) dieser Elemente.