Spectrofluorometer; Ion Chromatography Systems; Ratio Beam Spectrophotometer
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|
|Uranine||0.001 µg/L||0.01 µg/L|
|Eosine||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|
|Naphtionate||0.025 µg/L||between 0.2 and 0.6 µg/L|
|Tinopal||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|
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.
* Iodide can also be analyzed by molecular absorption spectrophotometry (see below). Detection limit: 5 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.