Université d'Orléans

Main Equipment

Laboratory Equipment

Hitachi F7000 Spectrofluorometer
Double synchronous scan technique with AS-3000 autosampler: Detection and quantification of dye-tracers in water, characterization of dissolved and particulate organic and fluorescent compounds, etc.

Detection limits (measured on unfiltered samples for commercially available tracers)

Optically clean natural waters

Waters with a high background


0.001 µg/L

0.01 µg/L


0.050 µg/L

0.10 µg/L

Sulforhodamine B

0.050 µg/L

0.10 µg/L

Sulforhodamine G

0.050 µg/L

0.10 µg/L


0.025 µg/L

between 0.2 and 0.6 µg/L


0.050 µg/L

between 0.2 and 0.6 µg/L

Amino G. Acid

0.100 µg/L

between 0.2 and 0.6 µg/L


HITACHI U1900 Ratio Beam Spectrophotometer
Wavelength range: 190 to 1,100 nm; 4 nm spectral bandpass. Determination of the color of water and solutions, detection of the presence of dyestuff, quantification of dissolved ions and compounds, etc. 

THERMO SCIENTIFIC (DIONEX) Ion Chromatography Systems: Detection and quantification of ionic tracers (anions: bromide, chloride, iodide; cation: lithium) in waters; determination of the ionic composition of waters and solutions, etc.
ICS900 for anions with RFC30  automatic eluent generator and AS-DV autosampler.
ICS1100 for cations with AS-DV autosampler..

Detection limits of the ion chromatography systems: Br-, Cl-: 1 µg/L; I-: 50 µg/L; Li+: 20 µg/L. Actual detection limits depending on natural concentrations in samples: Contact us for more information.


Field Equipment

GGUN-FL30 Flow-through Field Fluorometer for surface waters (2 devices): Detection of the presence of dye-tracers in waters.

ISCO 3700 Full-Size Portable Sequential Samplers (24 bottles) for water sampling (10 devices).