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Synthetic Sea Salt (RTU)
Synthetic sea salt is used as a diluent for the detection and the enumeration of Escherichia coli and enterococci in bathing water and surface water in microplates (MPN method) following the ISO 9308-3 and ISO 7899-1 standards.
Available as ready-to-use solution, with bromophenol blue: 50 tubes 18 ml
Also available as dehydrated : 100 g bottle (BR00308).
For fresh and brackish water (waste water), with a salinity less than 30 g/kg, the sea salt is used for all dilutions, including the 1:2 dilution.
For sea water (salinity more than 30 g/kg), sterile water is used to perform the 1:2 dilution. Sea salt is used for all subsequent dilutions.
To avoid confusion with sterile water, bromophenol blue at 4 mg/L can be added to synthetic sea water.
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