Turner Designs AquaFluor, Руководство пользователя

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Aqua Fluor
®
U
ser’s Manual
17
5.7 CDOM / FDOM
Monitoring the chromophoric or colored fraction of dissolved organic matter (CDOM) in
natural waters can be an extremely useful tool in a variety of marine and freshwater
applications. Scientists have developed numerous methods for measuring or estimating
DOM concentration for a variety of biological, chemical and physical research and
monitoring topics. Fluorescence detection of CDOM is the easiest and fastest means of
estimating DOM by taking advantage of CDOM's natural fluorescent property. CDOM
measurement is also of interest to researchers due to its effect on light in surface waters
and as a natural water-mass tracer.
For more information on CDOM / FDOM visit Turner Designs website under Applications.
5.8 Optical Brighteners
Optical Brightener Agents (OBAs) are primarily added to laundry soaps, detergents, and
cleaning agents for the purpose of brightening fabrics and/or surfaces. Laundry wastewater
is the largest contributor of OBAs to wastewater systems because it retains a large portion
of dissolved OBAs. Water municipalities and researchers are evaluating OBA
concentrations in lakes, rivers, and coastal ocean to determine the efficiency of wastewater
treatment protocols and wastewater systems. When wastewater systems fail, human waste
leaks into natural aquatic systems and might cause an increase in fecal coliform bacteria,
which may impact ecosystems.
In an effort to determine source contaminations, researchers are correlating fluorescence of
OBAs to bacterial levels. These studies may help decrease this type of anthropogenic input.
The
Aqua Fluor
®
has been used in studies conducted by county health departments and
water municipalities to detect OBAs.
For more information on OBAs visit Turner Designs website under Applications.