Aqualog™ Measures CDOM (Colored Dissolved Organic Matter) in Water 100 Times Faster Than Previous Fluorescence Methods

26 Apr 2011
bridget bridget
Laboratory Director

Product news

Identifying and quantifying natural and man-made colored dissolved organic matter components is a crucial problem in understanding water quality.

This measurement requires the collection of both the fluorescence and absorbance spectra of the sample. To address this need, HORIBA Scientific introduces the Aqualog, the only instrument to simultaneously measure both absorbance spectra and fluorescence Excitation-Emission Matrices (EEMs).

Instrument features include: a 150 watt xenon lamp, a double excitation monochromator for superior stray light rejection, a photodiode for absorbance spectra and a TE cooled CCD for collection of rapid emission spectra. Easy to use software and a full suite of NIST traceable validation test make the Aqualog a turnkey tool for water research.

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Fluorescence SpectroscopyFluorometers and spectrofluorometers (also called fluorescence spectrometers) are used to measure the intensity and wavelength of fluorescent light emitted from a sample after excitation by illumination. Spectrofluorometers utilize monochromators to select the desired wavelengths, whereas filter fluorometers employ a set of filters. Spectrofluorometers for measuring steady-state fluorescence and lifetime fluorescence (or time-resolved fluorescence) are available, as well as fluorescence microscopes and microplate readers. Find the best fluorescence spectroscopy products in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.Environmental Monitoring and TestingEnvironmental monitoring and testing uses handheld portable analyzers, kits, spectrometers or chromatography systems for air, water, soil, food and other sample testing. Useful features of analyzers such as BOD and COD include portability, easy calibration, automation and sensitivity.  Environmental test kits for pH, water, moisture, etc, should be accurate, sensitive, reliable, fast and easy to use.