Method of measuring biodegradation rate of non-natural...

Details Method of measuring biodegradation rate of non-natural... Method of measuring biodegradation rate of non-natural...

G - Physics

01

N

G01N 33/00 (2006.01) G01N 33/24 (2006.01)

Patent

CA 2510757

A method of measuring the biodegradation rate of an unnatural organic compound characterized by comprising, in the biodegradation of the unnatural organic compound in a biodegradation medium, measuring the radioactive carbon isotope 14C level in the biodegradation medium and measuring the biodegradation rate of the unnatural organic compound based on the difference between the 14C level thus measured and the 14C level of the present carbon. It is also possible to employ a metal such as iron in the medium as an internal standard. According to this method, the biodegradation rate of an unnatural organic compound can be safely, conveniently, quickly and highly accurately measured without resort to any special measure to radiation.

L'invention concerne un procédé de mesure du taux de biodégradation d'un composé organique artificiel. Ledit procédé est caractérisé en ce qu'il implique un milieu de biodégradation au cours de la biodégradation du composé organique artificiel et en ce qu'il consiste à mesurer, d'une part, le niveau de l'isotope de carbone radioactif ?14¿C dans ledit milieu et, d'autre part, le taux de biodégradation du composé organique artificiel en fonction de la différence entre le niveau de ?14¿C ainsi mesuré et le niveau de ?14¿C du carbone présent. Il est alors possible d'utiliser un métal tel que le fer dans le milieu en tant de norme interne. Selon le procédé de cette invention, le taux de biodégradation d'un composé organique artificiel peut être mesuré en toute sécurité, de manière appropriée, rapide et extrêmement précise, sans recourir à une quelconque mesure spécifique de la radiation.

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