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Validation of methodology for the determination of potentially toxic organic substances in biofertilizers produced from sewage sludge and liquid humus


The development of validated methodologies is mandatory in order to meet the imposition of legislations and generate reliable and traceable results. The objective of this project is to validate a methodology for the determination of organic substances belonging to the group of so-called persistent organic pollutants - POPs - in organic waste of great agronomic potential as sewage sludge and liquid humus, which can be recycled and used as biofertilizers. A validated methodology must meet the criteria of a quality system that includes selectivity, linearity and range of application, precision, accuracy, limit of detection, limit of quantification and robustness, besides the validation of spreadsheets for estimating uncertainty of measurement. (AU)

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