Storage effect on the analysis of pharmaceuticals and personal care products in wastewater

The amount of stable analytes decreased with time during long-term storage. 72% and 56% of the target compounds in the effluent and influent wastewater, respectively, remained stable during 60 days of storage

Ganna Fedorova; Oksana Golovko; Tomas Randak; Roman Grabic

2014

Scholarcy highlights

  • The stability of 124 PPCPs in wastewater during storage at –18 °C was tested
  • The amount of stable analytes decreased with time during long-term storage. 72% and 56% of the target compounds in the effluent and influent wastewater, respectively, remained stable during 60 days of storage
  • The number of stable compounds decreased to 57 and 46 in the effluent and influent, respectively, over 120 days
  • The results stress the importance of storage factors during analysis of pharmaceuticals in wastewater
  • The stability of target compounds in the samples under the planned storage conditions should be checked before starting the experiment to obtain reliable data

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