French Version : |
||
Your needs |
||
|
Dating : Groundwater age Transfer and renewal rate time Mixing of water Estimating time to reach good status Geographical dating: Geographic origin of water and the pollutants Groundwater-River interaction |
||
Our solution |
||
|
The principle of the dating The offer The Laboratory The scientific background |
||
The Partnership |
||
|
Price request Reference The press speaks about it Links |
||
Contact |
||
|
LADES Espace performance Batiment C1-C2 35769 Saint Gregoire Phone. +33 2 99 23 74 40 Fax. +33 2 99 23 78 11 Mail : info  lades.fror page Contact |
||
The laboratory |
|||||||
|
LADES offer is based on the technical expertise of Rennes university where the LADES manager comes from. This expertise allows proposing a complete offer to obtain an estimate of the groundwater age on YOUR site.
Sampling equipment: 
Sampling water is as important as analysis. As the gases concentration is very small (picomole to femtomole per liter), it is necessary that the materials use for sampling are free of CFC and do not release or adsorb CFC. More over any contact with atmosphere has to be avoided.
The LADES used a low-diameter immerged pump with variable flow which could be adapted to quasi-all sapling contexts. Analytical equipment : 
Analysis is realized on a gas chromatograph. It has been developed and located at Rennes University. This analytical chain allows analyzing traces from the picomole (10-12) to the femtomole (10-15) per liter in water.
|
|||||||
