Cooperation partners wanted: Wastewater analysis in UV-VIS

by Kathrin Beckstein

Our partner company Attonics has developed a compact and portable hardware platform that simplifies the determination of quality characteristics of liquid samples in the UV-VIS range by combining fluorescence and absorbance measurement in one device.

The combined data can be used to estimate the biochemical oxygen demand (BOD) and the dissolved organic carbon (DOC) using appropriate analysis models. By adding specific dyes, the chemical oxygen demand (COD) and the content of ammonia, nitrate or phosphate can be determined at the same time. Other substances such as pesticides, the total nitrogen concentration and the total organic carbon content (TOC) can probably also be determined.
At this point, we are looking for cooperation partners who are interested in the joint development of suitable analysis models and adapted dyes.

Together, we want to leave the days of time-consuming analyses and expensive and difficult to transport devices behind us and develop a reliable, inexpensive, fast and portable analysis method for the most important water quality parameters.

Technical details hardware

In addition to the desktop version AttoV-Lab, a portable device version is available as a case with integrated battery and display under AttoV-Portable. This enables measurements to be taken directly in the field. The liquid is simply introduced into the device in a 10×10 cm cuvette. With the integrated pulsed Xe light source, the absorption measurement is carried out from 190-840 nm, the fluorescence of the ingredients is excited with a UV LED and recorded in the range of 400-840 nm.

Special features

  • Combined UV-VIS absorption and fluorescence measurement
  • Wavelength range from 190-840 nm
  • Ideal for determining the quality of wastewater and other effluents
  • Suitable for the detection of fertilizer residues, oxygen demand and organic matter
  • Measurement in 10 mm standard cuvettes
  • Laboratory or portable device available
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