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Cyanobacteria

Eurofins EnvironeX Laboratories now offers a wide range of services related to the problems of cyanobacteria (blue-green algae).

cyanobacteria

cyanobacteria

The increasing eutrophication of aquatic ecosystems encourages the development of cyanobacteria, also called blue-green algae. Under certain conditions they can rapidly proliferate and form blooms. Visible to the naked eye blooms are usually green or blue-green.

Some species of cyanobacteria produce toxins that can attack the liver, nervous system or irritate the skin. 

By contrast, 30 to 50% of cyanobacteria blooms are safe because they do not contain toxic species. Laboratory testing is the only way to ensure that flower water poses no danger.

The following analyses can be used to screen for cyanobacteria:

Cyanobacteria screening (blue-green algae)

  • Identification of predominant gender
  • Determination of abundant classes
  • Identification of potential toxicity (cyanotoxins)
  • Quantification of chlorophyll a

Physico-Chemical Water Analysis

  • Total organic carbon (TOC) and dissolved organic carbon (DOC)
  • Biological oxygen demand (BOD5)
  • Chemical oxygen demand (COD)
  • Ammoniacal nitrogen (NH4+)
  • Total Kjeldahl nitrogen (TKN)
  • Total phosphorous
  • pH, conductivity, turbidity
  • Nitrites and nitrates
  • Dissolved oxygen
  • Several other parameters

Microbiology

  • Total coliform count and atypical bacteria
  • fecal coliforms (E. coli)

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